YATO Tool Set We present to you the professional Yato socket wrench tool set, designed to meet the needs of reliable automotive and mechanical repair shops, as well as DIY enthusiasts and amateurs. The 1/4" sockets and socket drive are made of the highest quality, durable tool steel – CrV 50BV30 chrome vanadium. The CrV 6140 steel ratchet has 72 teeth and is manufactured according to the highest technological principles and standards. This Yato tool set also includes bits made of hard S2 steel. Package Contents1/4"" Ratchet (72 teeth)1/4"" Screwdriver 150 mm1/4" Universal JointExtensions 50.8 and 101.6 mmSliding Knob 152.4 mmSockets (25mm) 3.5, 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mmHexagon bits 3, 4, 5, 6, 8 mmTORX bits T8, T10, T15, T20, T25, T30, T40; AISI S2/CrV50BV30Philips bits PH1, PH2,Pozidrive bits PZ1, PZ2,Slotted bits 4, 5.5, 6.5 mmCase