Xbox 360 Hybrid eXtreme Uniclamp(&trade;) X-Clamp Repair kit - Official xboxexperts.com version Xbox 360 Backplate (uniclamp) with Extreme cooling thermal pads. Drops GPU temp as much as 6C by drawing away radiated heat from below the chips (results may vary). Custom made Foam Shims for GPU and CPU chips help even out pressure over entire chip. 8 special machine screws with flat top ensures clearance from the plastic case; 40 high quality precision flat washers keep board flat. Enough silicone based thermal paste for 2-3 applications (CPU & GPU).