Milwaukee SHOCKWAVE Lineman's 7/16 to 1/2 impact adapter (48-32-5100) pairs SHOCKWAVE impact-rated geometry with durable alloy steel construction for heavy-duty lineman and utility use. This single-piece adapter fits 7/16 inch bits and mates to 1/2 inch drive accessories, enabling secure power transfer with impact drivers and wrenches. Product dimensions are 1.97 x 1.97 x 1.97 inches and item weight is 2.08 ounces (lightweight for ease of carry). The adapter is sold as a single unit (Item Package Quantity: 1) and requires no batteries. Compatible with 1/2 inch drive accessories, this adapter is manufactured to Milwaukee Tool quality standards for professional applications.