Everglide EG02-02E001-01 MouseGlidez Enhanced Ultra-Slick Mouse Feet for Microsoft Series Mouse Feet Microsoft 1.1, 1.1 SE and Explorer 3.0 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