Check the listing for details. 8 x #50-2 Double Roller Chain Connecting Link 15.875mm Pitch Chain Master Link. Condition: New. Listed at 16.95 USD. Product Package: 8 pcs of connector links for 10A-2/#50-2 industrial roller chain. Total Length: 1.12"/28.5mm; Roller Diameter: 0.875"/15.88mm; Pin Diameter: 0.2"/5.08mm; Inner Plate Depth: 0.594"/15.09mm; 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.