3/8" socket set with 12 pce

• 7400SM 3/8" square drive sockets on rail-264 hex profile metric, 8, 9, 10, 11, 12, 13, 14, 15, 16 and 17 mm
• Knurled shank sockets for finger turning of free running fasteners
• Not suitable for machine operation
• Highly polished finish
• High-performance alloy steel
• Less wear and damage to fastener thanks to Dynamic-Drive™ profile sockets
• Socket gives maximum load distribution and torque from the additional flank area
• Standards: ISO 2725/1174 and DIN 3124/3120