Features:1. Mini casters are fabricated from durable thermoplastic elastomer (TPE) and steel. The floor is chrome plated to avoid rust and corrosion, and may be used for a long time. 2. Rugged and durable - every single wheel is provided with ball bearings and powerful load capacity; the scale of the L-shaped plates are roughly 32 x 25 mm (L x W) and the mounting height is roughly 39 mm; the weight means is 11 kg according to caster, with a maximum load capability of 44 kg consistent with kit of 4pcs casters. 3. Safety - five horizontal mounting holes are used to repair the instruction manual rail, which is not easy to deform; increase the perspective to make the mounting plate extra stable; tight L-shaped mounting plate saves space and is easy to install; the corners had been reinforced to make the mounting plate more stable. 4. Floor defense - wrapped with delicate material to make sure that there are no scratches or marks at the floor, and straightforward to move. 5. A big selection of applications - assuredly used in small initiatives and movable furniture, including dressers, boxes, beneath the bed lockers, shoe cabinets, toy boxes, cabinets, bookcases, easels, etc.Specification:Material: thermoplastic elastomer (TPE) + metallic Caster diameter: 25mm/1in, 32mm/1.25in, 38mm/1.50in Package includes:4 x Furniture Casters Wheels 1 Set x Screw