Shepherd Hardware 9454 PTFE; Base Glides Shepherd Hardware 9454 PTFE; Base Glides Features:; PTFE; based glides designed for use on non-abrasive floor surfaces such as low pile carpet, vinyl, and hardwood; Allows furniture to move smoothly over floors; For use on heavy appliances and furniture such as couches, desks, beds, etc.; 9452: 1", self adhesive; 9455: 1-1/2", with screws; 9453: 2", self adhesive; 9454: 2-1/2", self adhesive