Professional socket set manufactured from hardened and heat treated Chrome Vanadium steel. Fully polished with a mirror finish. Covers sizes from 4 to 13mm. Includes 72-tooth comfort grip ratchet wrenches, extension bar, adaptor and bits. Supplied in tough, durable storage case. Features & Benefits:Part of the Siegen by Sealey range of quality tools at competitive prices.Professional socket set manufactured from hardened and heat treated Chrome Vanadium steel.Fully polished with a mirror finish.Covers sizes from 4 to 13mm.Includes 72-tooth comfort grip ratchet wrench, extension bar, adaptor and bits.Contents: 1/4"Sq Drive Standard Sockets; 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13mm, 1/4"Sq Drive Bits; TRX-Star* - T10, T15, T20, T25, T30, T40, Phillips - #1, #2, Hex - 5, 6mm, 100mm 1/4"Sq Drive Extension Bar, 1/4"Sq Drive Adaptor, 1/4"Sq Drive Ratchet Wrench.Supplied in tough, durable storage case.Lifetime Guarantee*.Model No. S01233 Specifications: Model