• Heat treated, tempered chrome vanadium steel for strength and durability
• T-thru handle design with long arm ball end and hex short arm allows for high torque
• Hex pattern on each handle allows for easy identification
• Set includes: 5/16 in, 1/4 in, 3/16 in, 5/32 in, 9/64 in, 8 mm, 6 mm, 5 mm, 4 mm, 3 mm