Check the listing for details. 8Pcs 10B-1 Chain Offset Half Link Roller 15.875mm Pitch Master Connector Links. Condition: New. Listed at 15.72 USD. Product Package: 8 pcs of connector links for 10B-1 industrial roller chain. Total Length: 0.87"/22mm; Roller Diameter: 0.4"/15.88mm; Pin Diameter: 0.2"/5.08mm; Inner Plate Depth: 0.579"/14.7mm; Pitch: 0.625"/15.875mm.Material: The chain links are made of carbon steel, precision machined, strong, and durable.Surface Shot-Peened: The standard chain end connector split links are shot-peened during the production process to improve the strength and toughness of the product and extend the service life of the chain.Easy to use: The links are easy to attach to the drive chain, making it easy to lengthen or shorten the chain; old sprockets can be removed with circlip pliers and removed from the chain. To install a new chain joint, first, insert the pin and snap the spring clip or cotter pin into place.