WELWIK 12PCS Black Plastic Caster Sleeve Round Insert ID 11.5mm Industrial Material Handling Product

["Product includes: 12 plastic castor sleeve inserts","Dimensions: Fits 25.4 mm round tubing, with an inner diameter of 11.5 mm and a total length of 43.5 mm","These plastic castor sleeve inserts are made from PP/PA material, which is safe, sturdy and durable, resistant to damage, and offers a long service life.","The non-slip design prevents scratches. It fits snugly over the chair legs and is unlikely to fall off.","It is suitable for a wide range of standard castors, providing excellent protection for your castors and preventing wear and tear."]