Makita fs2500 240 construction tek screwdriver is the ideal machine for roofer`s or plasterers, can be used for self drilling screws or dry wall screws, machine is supplied with a 5/16 tek end has a 570 watt motor and is supplied in a card board box. Machine has a 1 year warranty. 1/4 Hex shank drywall screw 5mm self drilling screw 6mm 0-2500 rpm torque 17/29nm 1.5kg weight 570 watt motor