Great quality material at a wonderful price! Will shop again
Great quality Dumbbell handles. Nice knurling, good bearings and plate loading length.
Best with lock clip collars.
$23.00
Unit price perYou can receive the package between December 26 and December 28
Note: Sold Individually (Not in Pairs)
When you are chasing a new 1RM or preparing for a powerlifting meet, every gram counts. The Calibrated Competition Cast Iron Powerlifting Plates from 24/7 Gym Equipment are engineered for athletes who demand absolute precision. Unlike standard gym plates which can vary wildly in weight, these discs are machine-calibrated to a strict tolerance of just ±10 grams.
Featuring a slim profile to maximise barbell loading capacity, these plates allow you to load over 700kg on a standard power bar. Finished in vivid, colour-coded powder coating for instant weight identification, they are the gold standard for powerlifting, strongman training, and serious strength development. Available for fast shipping to Sydney, Melbourne, Brisbane, Perth, and Adelaide.
Standard gym plates can be off by up to 5-10%. Our calibrated plates are machined to within 10 grams of the stated weight. When you have 200kg on the bar, you know it is exactly 200kg.
The slim design (e.g., 27mm for a 25kg plate) allows you to fit more weight on the sleeve. This is essential for heavy deadlifts and squats where bumper plates run out of room.
The 50.4mm collar opening is precision-drilled to fit snugly on Olympic sleeves. This eliminates "plate wobble" and rattle, providing a stable, solid feel during the lift.
Follows International Powerlifting Federation (IPF) color standards: Red (25kg), Blue (20kg), Yellow (15kg), Green (10kg), and White (5kg) for easy recognition.
Our plates are designed to align with international competition sizing standards.
| Weight | Colour | Diameter | Thickness |
|---|---|---|---|
| 25 kg | Red | 450 mm | 27 mm |
| 20 kg | Blue | 450 mm | 22.5 mm |
| 15 kg | Yellow | 400 mm* | 21 mm |
| 10 kg | Green | 325 mm* | 21 mm |
| 5 kg | White | 228 mm* | 21.5 mm |
*Note: Diameters for 5kg-15kg are smaller than 450mm to facilitate easier handling and loading. The 20kg and 25kg plates are full regulation 450mm diameter.
Everything you need to know about precision steel discs for competition prep and home gyms.
Choosing the right weight plates is crucial for your training goals. Here is how Calibrated Cast Iron compares to other options:
Best For: Powerlifting (Squat, Bench, Deadlift), Strongman, and general strength training where accuracy is paramount.
Best For: CrossFit, Olympic Weightlifting (Clean & Jerk, Snatch), and garage gyms where noise is a concern.
Best For: General bodybuilding and budget home gyms.
The Verdict: If you lift heavy and care about the numbers on the bar being real, Calibrated Plates are the only choice.
Upgrading to calibrated plates isn't just about aesthetics; it changes the mechanics of your lift.
Because these plates are so thin (27mm for a 25kg plate), the weight mass is kept closer to the center of the barbell. This reduces "bar whip" (the bouncing of the bar) during heavy squats and deadlifts. A stiffer, more predictable bar allows you to exert force more efficiently.
If you plan to compete in the IPF, GPC, or local powerlifting meets, you will be lifting on calibrated steel plates. Training on thick rubber bumpers feels completely different—the bar bends differently, and the weight feels distributed further out. Training on calibrated plates ensures that on meet day, the equipment feels familiar.
Cast iron plates have zero bounce. In the deadlift, this forces you to pull from a true dead stop every rep, rather than relying on the "bounce" or rebound that rubber plates provide off the floor. This builds superior starting strength.
These plates are an investment. Follow these tips to keep them in competition condition:
We are experts in shipping heavy freight across Australia.
How we ship: Small orders (e.g., a pair of 5kg plates) may ship via standard courier. Large orders (e.g., full 150kg+ sets) are securely strapped to a pallet and shipped via heavy freight carriers to ensure they arrive undamaged.
Locations: We deliver to all capital cities (Sydney, Melbourne, Brisbane, Adelaide, Perth, Canberra, Hobart, Darwin) and most regional centers.
Lead Times: Sydney Metro orders are typically dispatched within 24-48 hours. Interstate orders generally arrive within 3-7 business days depending on your location.
Yes. They feature a precision-machined 50.4mm center hole. This is designed to fit snug on any standard 50mm Olympic sleeve. Note: Because the tolerance is tight, they may be difficult to slide onto cheap, low-quality bars with poor chrome plating or inconsistent sleeve diameters.
All our calibrated plates are sold individually. This allows you to customize your set exactly how you want it. If you need a pair, please add "2" to your cart.
This is standard practice for calibrated plates. It makes loading and unloading the bar significantly easier. Since the 20kg and 25kg plates are the full 450mm diameter, the smaller plates do not need to touch the ground during a deadlift.
These plates are machine calibrated to ±10 grams of the stated face value. This is incredibly accurate compared to standard cast iron plates which can vary by 3-5%.
Order Now and train with the precision of a champion using 24/7 Gym Equipment Calibrated Plates.
🚚 Shipping
Australia-wide delivery
Under 40 kg: shipped via our standard courier partners.
40 kg and above: shipped on a pallet via freight carriers.
Tail-lift delivery available for residential addresses without forklift access.
Approx. packaged weight: 50 kg (varies by product/configuration).
Nearest-depot option: We have 500+ freight depots across Australia and will allocate the closest depot for convenient pick-up.
Depot pick-up (capital cities): $200 flat fee in Sydney, Melbourne, Brisbane & Adelaide (up to 300 kg).
Sydney Metro installation offered — contact us to book.
All items are securely packed on pallets for safe, damage-free transit.
💬 Looking for the best shipping rate?
We always try to find you the most cost-effective option.
👉 WhatsApp us or Email us to get a tailored quote.
14-day return window – item must be unused and in original packaging
Return shipping is at the customer’s cost
Returns are not accepted if the product is assembled or not in resale condition
All products are backed by a 1-Year Warranty covering manufacturing faults
🎉 Limited-Time Offer: Enjoy Free Sydney Metro Delivery on all orders over $2,000. Fast and reliable delivery straight to your door — available for a limited time only.
Pay with
Your transaction is protected with advanced security measures to keep your information confidential
Compare our value, service, and quality against other sellers
Strength Equipment
Power racks, Smith machines, functional trainers.
Cardio Equipment
Treadmills, rowers, bikes — built for home & commercial gyms.
Weights & Barbells
Olympic bars, plates, dumbbells & kettlebells.
Storage & Flooring
Racks, gym mats, flooring tiles — keep your space organised.
Yes! We deliver nationwide using trusted freight partners. Sydney metro orders can also be installed or picked up directly from our warehouse.
We accept major credit cards, PayPal, Zip, and PayPal Pay in 4 for flexible payments.
Delivery costs depend on the product size, weight, and your location. You can calculate shipping at checkout, or contact us for a custom quote.
Yes, all equipment comes with a manufacturer’s warranty. Warranty terms depend on the product — check each product page for details.
Yes, we provide affordable assembly for Sydney metro customers. Outside Sydney, our equipment is shipped flat-packed with clear assembly instructions
We offer a 14-day money-back guarantee. Simply return the product in original condition (return freight costs apply).
Yes, we offer depot pick-up options in Sydney, Melbourne, Brisbane, Adelaide, and Perth. Simply select “Depot Pick-Up” at checkout.
Yes, most of our range is commercial-grade quality, designed for gyms and personal trainers. We also have compact options suitable for home gyms.