This Sonic Tools Impact socket set is a great asset to your toolbox. Sonic Tools Impact Sockets are made from CR440 steel, offering excellent impact-resistance while still combatting the elements with its stainless properties. This 73-piece kit covers the field in 3/8” and 1/2” sockets, from 8mm to 32mm in both shallow and deep-well sockets. Adapters, universal-joints, and extensions ensure that you have everything you need in one place, whether you’re arming them with a 1/4”, 3/8”, or 1/2” impact or ratchet.