General description This DeWalt 9 piece impact socket set is a high-quality professional set designed for use with 1/2" drive impact wrenches. It is ideal for tightening bolts in steel frameworks and hex drive nuts/bolts in various fixings. The set is supplied in a sturdy, reusable storage container for convenient transportation. Technical specifications Drive Size: 1/2 inch Socket Sizes: 10mm, 13mm, 15mm, 17mm, 19mm, 22mm, 24mm, 27mm Includes: 1 x 1/4 inch to 1/2 inch adaptor Finish: Black oxide with laser marking Socket Pattern: 6-point convex for increased durability Other information