WORKPRO Wrench Extender Tool, 1/2" & 21mm Hex Drive, Universal Adapter

Part Type:SPR Tool | Manufacturer Part Number:21960 | Function: Used for inserting self-piercing rivets (SPR) into materials like aluminum and steel. | Design: Made from high-grade, hardened steel frame with a 1/2"-20, Grade-8 hex bolt. | Rivet Handling: The hex bolt has a magnetic end and center recess to securely hold the replacement SPR during insertion.