Hirate 4 Pack Threaded Stem Casters 3/8"-2 Casters with Dual Brake- 2 Without-- 3" Swivel Caster Wheels with Safety Dual Locking for Furniture Dolly Workbench Trolley Carts

Hirate Heavy Duty 3/8" Threaded Caster Wheels Set of 4-A must-have in any home. -Our caster wheels are a practical solution to moving heavy pieces of furniture, as well as many other heavy items. They feature a 360-degree rotating design and dual locking for more safety. -The wheels are covered in soft polyurethane rubber that protects your floors and make them glide smoothly on a wide range of surfaces.  There are 3 Standard Casters and 2 Casters with Dual Locking Mechanism, you can fix your chair as you like! Features ?2PCS DUAL LOCKABLE CASTER WHEEL? -- The stem and the Wheel both will be fixed simultaneously if the brake is pushed down. -- With brake, effective to stop and fix the device and prevent it moving to hurt others. > ?Solid Steel Riveted Axle? --Precision Ball Bearings for smooth rolling and Swivel Bearings For Smooth Rotation ?360 Degree Swivel and Roll Smoothly? -- Very convenient to transform to any directions, and spend little strength to move on. ?Quite Rubber Basement Wheels? -- There is no mark when moving, and no hurt to your floor board. ?Widely Use? -- Perfect using at home, office, or for industrial devices. - Such as coffee table, plant stands, book shelves, shoe bins, toy bins, under-bed storage, shopping carts, workbench. Specification: *Stem Type: IMPERIAL SIZE *Stem Diameter: 3/8" *Stud Length: 0.79"(20mm) *Wheel Type: Threaded Caster *Wheel Diameter: 3"(75mm) *Wheel Width:0.87" *Installing Height: 3.8" *Installing nut size: 3/8"-16x0.79" *Wheel Material: Polyurethane *Bracket: High quality steel - galvanizing *Double Bearing: Steel ball bearing *Total Load Capacity: 550 lbs Package Contains: 2 x 3" Stem Casters Wheels with Dual brake 2 x 3" Standard Caster Wheels(without brake)