Wera 05328463001 810 1 esd bit holding screwdriver 1 4 hex 100mm wera 05328463001 this esd hand held 1 4in bit holder from wera has a chrome plated 100mm hexagonal blade with retaining ring with non roll kraftform handle and is suitable for hexagon insert bits wera 05328463001 810 1 esd bit holding screwdriver 1 4 hex 100mm