【AOTAISP SMALL CASTERS】Our caster Set includes 2 swivel casters wheels with brakes and 2 without brakes, also bonus 16 pieces screws and 1 screwdriver, satisfy your all different needs. 【SMOOTH&SILENT ROLLING】Double Ball bearings, smooth and durable, seamless steel slot, mechanical grease, in the push of the moment to let you feel the high-efficient work. 【STEEL SUPPORT】Galvanized surface treatment, anticorrosion and rust-proof, durable, flexible and smooth, the support made of strict choice of steel, safe and reliable load, with a long time without shaking. 【STRONG LOAD BEARING】The total caster set can support load up to 50 KG, more durable, more flexible steering. 【EASY TO USE】Our casters kit can be used indoor and outdoor, like trolleys, shelves, shopping carts, forklift wheels, medical equipment, industrial flatbeds, furniture, etc. AOTAISP 1.25 inch Swivel Caster Wheels Bearing Plate Caster Wheels, Rolling Casters for Furniture and Workbench Cart, Set of 4 (2 with Brakes & 2 Without) Come with Screws