MALLLALA Caster Wheels Sets 5 (2 w Safety Dual Brakes,3 No Brake),3 inch Heavy Duty Swivel Castors with 3/8"-16UNC Threaded Stem,No Noise Rubber Wheel,Protection of Hardwood,Carpet,Fit Chair,Workbench

MALLLALA,3"caster wheels with 3/8" X 0.79"-16TPI coarse thread (US),the stud diameter is 3/8",the stud length is 0.79",no noise rubber wheel,protect floors from damage,heavy duty threaded stem caster replacement for most office chairs,also be used for DIY furnitures,projects etc.,set of 5(2 castors with safety dual brakes,3 castors no brake) Product Description: Encased with soft & durable Polyurethane,bracket made by 2mm thick industrial steel,double bearings structure,helped these parameter,our caster wheels transform your office chairs/projects into stylish modern furniture instantly.these swivel castors glide across any floor smoothly and quietly.they will not mark up your floors,so you no need to use chair mats any more.brake pedal mechanism,when applying the brake,keep these in place firmly and stably Product Specifications Item: Caster Wheel Color: Black Material: Polyurethane,Steel Model Numbe: 3" Wheel,3/8" X 0.79"-16 Stud Special Features: Set Of 5 Wheels（2 castors with safety dual brakes,3 castors no brake) Number Of Items: 5 Mounting Type: Threaeded Stem Load Capacity: 650 Pounds Wheel Diameter: 3 Inch Threaded Stud Diameter: 3/8" Threaded Stud Length: 0.79" Measurement System: English Included Components: 5 X 3/8"-16 Nuts,1 X Wrench Product Feature ✅Silent & Smooth Rolling; ✅Heavy Duty Capacity Load; ✅No Damage To Floors; ✅Easy To Install; ✅Dual Brake Feature; ✅Long Lifespan; Package Details( We Offer 4 Kinds Of Nuts For Your Option ) 5 X 3” Caster Wheels(2 caster with brake,3 caster no brake) 5 X 3/8" Threaded Screw Inserts / Flanger Nuts / Nylon Nuts / Hex Nuts 1 X Wrench Note The Threaded Stem Is 3/8" * 0.79"-16, Its Measurement System Is English,Not Metric.