Ck triton screwdriver sets ck tools t4741sesd tri lobe handles for comfort and effective delivery of torque electro statically dissipative to protect sensitive electronic components blades manufactured from premium quality chrome vanadiummolybdenum steel for strength tips accurately machined for the ultimate screw fit set contains slotted 3x75 3x100 5x135 ph0x60 ph1x80 ph2x100 ck tools t4741sesd triton esd screwdriver ph set of 6