Everglide EG02-02E001-06 MouseGlidez Enhanced Ultra-Slick Mouse Feet for Razer Copperhead and Diamondback Replacement Mouse Feet for Logitech Razer Diamondback New Mouse Feet Designed to Replace Existing Mouse Feet Provides Cutting Edge Mousing Performance Ultra Slick Smooth Response 0.62 Lbs (WxLxH) 2.0 x 2.0 x 0.1