• Spiral gripping edges remove old, stripped, rusted or painted nuts and bolts
• Chrome molybdenum steel with black manganese phosphate finish for strength and durability
• Sizes: 5/16 in. (8 mm), 3/8 in. (10 mm), 1/2 in. (13 mm), 11/16 in., 3/4 in. (19 mm)*
• Includes 3/8 in. drive socket storage rail
(California Prop 65)