TONE Impact Socket Adapter NA812, 25.4mm (1") & 38.1mm (1-1/2") Drive

This is a socket adapter for power tools such as impact wrenches. Overall length (mm): 80 Concave drive (mm): 25.4 Convex drive (mm): 38.1 Make sure to use the correct size O-ring and pin and secure them securely before use. O-rings and pins are consumables. Replace any that are worn or deteriorated. Applying excessive force to adapters with large concave drives will damage the convex drive.