• 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: 7/16 in. (11 mm), 12 mm, 9/16 in. (14 mm), 15 mm, 5/8 in. (16 mm)*
• Includes 3/8 in. drive socket storage rail
(California Prop 65)