IWF competition discs, 10 to 25 kg
Werksan’s IWF competition discs are calibrated for meets: every disc is 450 mm across with a 50.5 mm hole, made to a +50 g / −0 g tolerance, in the official IWF colours.


- IWFCP10–IWFCP25
Specifications
| Disc | Code | Thickness | Tolerance |
|---|---|---|---|
| 25 kg red | IWFCP25 | 63 mm | +50 g / −0 g |
| 20 kg blue | IWFCP20 | 53 mm | +50 g / −0 g |
| 15 kg yellow | IWFCP15 | 42 mm | +50 g / −0 g |
| 10 kg green | IWFCP10 | 32 mm | +50 g / −0 g |
- 450 mm on every disc: the bar starts from the same height at any load.
- Calibrated to +50 g / −0 g: never under weight.
- Official colour code: 25 red, 20 blue, 15 yellow, 10 green.
Specifications from Werksan, 2026. 2-year warranty.
Buying guides
- Learn
The IWF weight plate colour code explained
Which colour is which weight, from 0.5 to 25 kg. - Compare
Competition discs vs training bumper plates: which do you need?
Tolerance, use and cost of ownership compared. - Learn
Why are bumper plates 450 mm in diameter?
The reason every disc from 10 to 25 kg is the same size.
Tell us what you’re building
Free equipment recommendation and a quote confirmed by email before anything is ordered.

