Check the listing for details. 10pcs #40 Chain Offset Half Link Roller 1/2 Inch Split Links. Condition: New. Listed at 14.54 USD. APPLICATION：The link roller is designed for use with drive chains. It is commonly used in various applications requiring chain connections, such as machinery, equipment, and other transmission systems.FEATURES：Finely processed with precision, providing reliable performance. Regular cleaning and lubrication are recommended to extend its service life.SPECIFICATION：Total Length: 23.8mm / 0.94-inchRoller Diameter: 7.92mm / 0.31-inchPin Length: 17.75mm / 0.7-inchPin Diameter: 3.96mm / 0.16-inchInner Plate Depth: 12mm / 0.47-inchPitch: 1/2-inch / 12.7mmWidth Between Inner Plates: 7.85mm / 0.31-inchAverage Tensile Strenght:17.5kNPackage: 10 x Link RollerTIPS:To replace a chain link roller, the old one can be disassembled from the chain using appropriately sized circlip pliers.