Each fat max insulated screwdriver is individually tested to 1000 volts the soft grip handle gives the perfect combination of great grip plus reduces fatigue and its large diameter offers greater torque needed for driving wood screws handle is moulded direct to bar giving a virtually unbreakable bond colour coded ends for easy identification of the right screwdriver for each screw type with a smooth domed end for fast spinning action speed and comfort this 10 piece set contains parallel 25 mm x