Brand new high quality cpu fan replacement parts, help you to fix the fan on the radiator well. The buckle is made of high-quality stainless steel wire, which is sturdy and durable, and has good elasticity, which can help you fix your fan well. Buckle specification: The buckle is used to fix the 12cm fan on the radiator; to ensure good heat dissipation. How to use: Fix the clip on the outer fixing hole of the fan, and then the radiator can be fixed (please see the picture for details). The package contains 4pcs fixed buckles; suitable for various 12cm fans, such as Xuanbing 400, Donghai X4/X5 and other radiators.