Specification Name: Adapter for converting impact wrench to electric hammer Material: 40Cr steel Color: as picture Size: Basic model 9.9*1.6*2.2cm/3.90 * 0.63 * 0.87 inches Dual-purpose model 10*1.6*2.2cm/3.94 * 0.63 * 0.87 inches DESCRIPTION COMPATIBILITY]: This SDS max to SDS plus adapter with SDS Max shank is compatible with any standard SDS Max hammerhead. Please check that this item is suitable for your tool before purchasing. PREMIUM QUALITY MATERIAL: The adapter is made of high-quality 40Cr steel, heat-treated and sandblasted for strength and rust resistance. It can withstand heavy-duty applications without breaking easily. QUICK INSTALLATION: This product is easy to install on a hammer drill in seconds. It can quickly and stably clamp different sizes of SDS Plus bits, helping to drill holes accurately and efficiently. EASY TO CARRY: This product measures 1.34 x 7.87 inches (D x L) and is small and lightweight. It can be put in a toolbox or bag, easy to carry around. WIDELY APPLIED: The jointing rod is designed to be sturdy and suitable for both square shank drills and round shank drills, making it easy for you to tackle a variety of tasks. Whether you are working on concrete, bricks or other materials, the adapter ensures compatibility with different types of drill bits for seamless operation. Product List 1* Impact wrench adapter