• 1/4" and 3/8" Square Drive
• 1/4" Square Drive: 1/16, 5/64, 3/32, 7/64, 1/8, 5/32"
• 3/8" Square Drive: 3/16, 7/32, 1/4, 5/16, 3/8"
• Manufactured from heavy duty Chrome Vanadium Steel and conveniently supplied on a clip rail for easy storage
• Socket Drive, Chrome Vanadium Steel
• Driving Bit Silicone Alloy Steel (S2)