Forged from the finest chrome molybdenum alloy steel - the best choice for strength and durability. Fully guaranteed. Included in a heavy-duty blow mold case No doubt, Sunex tools offer one of the most complete and toughest Impact Socket lines around. This 3/4" deep drive impact socket set is designed to tackle the toughest jobs with solid durability and keeps them pounding job after job. Also each socket features a radius corner design, causing the socket to grab the sturdy wall of the fastener instead of grabbing the corners, resulting in less wear on the fastener. This set includes: 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2", 1-9/16", 1-5/8", 1-11/16", 1-3/4", 1-13/16", 1-7/8", 1-15/16" and 2".