The Bahco S240 1/2in Drive Socket Set contains sockets made from high performance alloy steel. With a Dynamic Drive™ profile to protect the sockets from wear and damage. Supplied in an oil and temperature resistant polypropylene case. Confroms to DIN 3120 / ISO 1174. Contains: 18 x 1/2in Hex Sockets: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 27, 30 & 32mm2 x 1/2in Extension Bars: 125mm (5in) and 250mm (10in)1 x 1/2in Universal Joint1 x 1/2in T-Adaptor1 x 1/2in Flexible Handle 250mm (10in)1 x 1/2in Ratchet Handle 54-Teeth