Specification Brand : Hirate BulletPoint1 : Metric Stem Size: These casters are Metric System M10 , the stud diameter is 10 diameter and the stud length is 0.79"(20mm). BulletPoint2 : Quiet & Smooth Roller:Hirate soft caster made of high-tech elastic polyurethane, with internal bearings are quick rolling and the surface is sleek,wouldn't get stuck by crumbs,hair, wouldn’t damage on floors. BulletPoint3 : Heavy Duty Industrial Casters: Steel structures body is extremely hard wearing and resistant to dirt, 600 lbs capacity for 4 pack 3 INCH casters, can be widely used for most chairs and other furniture with METRIC STEM M10 only. BulletPoint4 : Suitable for Most Chairs: Soft polyurethane chair rollers are suit for 95% office chair,perfect for standard Herman Miller Aeron chair,big and tall executive office chair,Noble Chair Epic gamer chair,Z-line chair,basic mid-back office chair and more BulletPoint5 : Safe Protection for All Floors: Our newly upgraded nylon stand polyurethane casters are guaranteed not to scratch or leave marks on any surface. You chair can enjoy a carefree, safe sliding across wood, hardwood, laminate, vinyl, tile and carpet floors at any time. (BUT not fit for I-K-E-A chairs). Color : 3" M10 with Hex Nuts ExternallyAssignedProductIdentifier : 9490141736998 ExternallyAssignedProductIdentifier1 : 0792277531294 ExternallyAssignedProductIdentifier2 : 792277531294 IncludedComponents : Yes ItemName : Hirate 4 Pack Swivel Wheels 3 Inch Heavy Duty Swivel Caster M10 x 0.75" Metric Threaded Stem Casters Wheels Replacement with Hex Lock Nuts ItemPackageDimensions_Height : 10 centimeters ItemPackageDimensions_Length : 10 centimeters ItemPackageDimensions_Width : 6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : stem-casters LoadCapacity : 600.00 pounds Manufacturer : Hirate Material : Soft Polyurethane Caster w/ Steel Bracket Material1 : Thermoplastic Rubber Material2 : Polyolefin Material3 : Steel ModelNumber : 3" Metric M10_4P+hex nuts MountingType : Stem Mount NumberOfItems : 4 PartNumber : 3" Metric M10_4P+hex nuts ProductDescription : Hirate Smooth Office Chair Casters-No Matter What Surface You Choose, It’s Like Roller Skating At Your Desk.
Features: Quiet, wear-resisting, easy to lock and install Floor friendly, would not scratch the floor Rotation: swivel 360 degree. Smooth & Silent Rolling Ball bearings: Double ball bearings, provide max capacity and flexibility