The Bahco S160 1/4in Drive Socket Set contains sockets made from high performance alloy steel. With a Dynamic Drive™ profile to protect the sockets from wear and damage Features Less wear and damage to fastener with the Dynamic Drive™ sockets Quick socket release button on ratchet High performance alloy steel High density polythene case Matt finish Specification ISO 1174 DIN 3120 Weight: 1kg Size: 70x160x280mm Standard Equipment 12x 1/4" Hex Sockets, 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13mm 1x 1/4" Ratchet Quick Release, 60 Teeth 6° Action Angle 1x 1/4" Sliding T-Bar, 100mm/4" 1x 1/4" Extension Bar 75mm/3" 1x 1/4" Flexible Extension Bar 150mm/6" 2x Removable Three Section Plastic Box with Lid