Walkers, Rollators and Accessories Invacare, Mobility & Daily Living Aids, Mobility Aids & Equipment, Ski Glides & Pads, Walker Accessories Walker Fixed-Wheel Attachment with Glide Tip Wheel Size: 3″ Review by RoomPony July 31, 2018 No Comments 3″ Single Fixed – Wheel Attachments with Glide Tips More 6270 Wheel Size: 3″ Features: -Single fixed-wheel attachment. For Use With: -Walker. Product Type: -Wheel. Dimensions: Wheel Size 3″ – Overall Product Weight: -2 Pounds.