Check the listing for details. #40 Chain Master Connector Link Roller 1/2" Pitch Split Links for 08A Chain,6PCS. Condition: New. Listed at 18.16 USD. Why Choose This:★Specifications: Chain No.: 08A(#40); Material: Stainless Steel; Total Length: 23mm / 0.91-inch; Pin Length: 18.5mm / 0.73-inch; Pin Diameter: 4mm / 0.16-inch; Inner Plate Depth: 12mm / 0.47-inch; Pitch: 1/2-inch / 12.7mm; Width Between Inner Plates: 8.5mm / 0.33-inch; Average Tensile Strenght:10.8kN; 6 x Connector Link Roller★How to Use: You can use appropriately sized circlip pliers to take apart the old chain link roller and remove it from the chain. To install the new chain joint, insert the pin first, then snap the spring clip in. Wear gloves carefully for safety.★Appliance: This chain link roller connector is Easy for drive chains. Regular cleaning and lubrication can extend service life.★Material: Made of stainless steel materials, finely processing, precision processing, strong, anti-oxidation, and durable.