Kincrome 11 piece 1/4-3/8 Drive Phillpis head socket set. Packed on socket rail set is ideal for any application where a specific bit is required. Manufactured from heavy duty Chrome Vanadium Steel. Set contains 1/4 Drive No. 0, 1, 2, 3 Phillips and 3/8 Drive No. 1, 2, 3, 4 Phillips.