3 Inch Swivel Caster Wheels Set of 4, Locking Casters Heavy Duty Total Capacity 330lbs, Metric M8-1.25 Threaded Stem PU Casters with Brake, Castors for Carpet Hardwood Floors Workbench Bed Frame.

• Standard Metric Size?Stem size: M8 (8 mm)-1.25×1?, Stem diameter: 8mm, Stem length:25mm, Wheel diameter: 3?. Each caster kit includes 4 wheels with locking brakes, 4 threaded embedded parts, 4 nuts, 4 washers and 1 wrench;
• No Noise, Non-Marking?the Precise ball bearings, 360 degree swivel and rubber wheels make it rolling smooth and quiet, bid farewell to harsh noise, suitable for outdoor, hardwood floors and carpet;
• Heavy Duty?Steel Industrial threaded stem casters support 330lbs capacity each set;
• Lockable Brakes?The safety dual locking brakes lock both the swivel and wheels efficiently;
• International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.

Product features: Stem diameter: 8mm. Stem length: 1″(25mm). Wheel diameter: 2.95 inch (75mm). Wheel thickness: 0.98 inch (25mm). Material: steel and PU. Wheel Color: Red. Total height: 4.65 inch (118mm). Installation height: 3.66 inch (93mm). 360 degrees swivel casters rolling smooth; safety dual locking locks both the wheels and stem; heavy duty, load capacity 330lbs per set; No noise; Non-marking; Package includes: 3-Inch wheels (all with brakes)×4 Threaded embedded parts×4 Washers×4 Nuts×4 Wrench×1 Tips: What does the M8×25mm mean? It’s the metric unit size, stem diameter is 8mm, threaded stem length is 1″(25mm), make sure the stem size is suitable for your installation before your purchase. Who chose us? For DIY workbench, cart wheels, furniture, office chairs, desks, tables, wood, threaded pipe, metal board, suitable for hardwood floors, marble floors, carpet, indoor and outdoor floors. How to use? For cart boards and wire racks which with holes, you need insert the bolts into the holes, put the washers on and tighten the nuts; For wooden legs of table and furniture, you need to drill holes and insert the bolts in and then tighten it; Or drill holes, screw in the embedded parts, and then tighten the bolts; For pipes with threaded holes or replace your old furniture casters, make sure the bolt size is match it up with the threaded holes before your purchase.