Specification Brand : CEGQOXSH BulletPoint1 : 【Easy to Install】Spring-retained for easy assembly. No more hassles – simply push the spring in or pull from the other side to fit the roller into the conveyor frame effortlessly. Quick installation and disassembly for your roller conveyor system. BulletPoint2 : 【Versatile Uses】The steel rollers versatility extends to being rollers or conveyor replacement roller for roller stand for woodworking, saw stand, material stand roller, boat roller, dock rollers, roller for unloading and loading kayak, sports bike tire roller, transfer tape roller. They can be fence rollers or deployed as fence kit. BulletPoint3 : 【Specification】Package includes: 5 Pack Rollers. Roller Diameter (?) 25mm(1.0 inch)-Shaft Diameter: 8mm( 3/10 inch); Roller Diameter 38mm(1.5 inch) and 50mm(2 Inch)--Shaft Diameter: 12mm(1/2 inch). BulletPoint4 : 【Stainless Steel Rollers】Constructed of a stainless steel, rust-resistant, waterproof, smooth and durable. These rollers operate quietly and produce minimal vibrations ensuring smooth and efficient operation. BulletPoint5 : 【Notice】Please confirm the size of roller, frame, width, and roller centers you need carefully before ordering Color : OD16 x W5 x M4 ExternallyAssignedProductIdentifier : 7615003925477 ItemName : 1pcs OD 30 mm PU Coated Bolt Rollers PU60830-11C1L8M6 High Load Pulleys Mechanical Conveyor Belt Soft Wheel CEGQOXSH(OD16 x W5 x M4) ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 3 centimeters ItemPackageDimensions_Width : 2 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : conveyor-wheels Manufacturer : CEGQOXSH ModelNumber : CEGQOXSH NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : CEGQOXSH ProductDescription : CEGQOXSH