Sealey ak64903 fine tooth ratchet screwdriver and accessory set 51 piece sealey ak64903 p this 51 piece screwdriver and accessory set from sealey features a fine 48 tooth reversible ratchet driver with soft comfort grip handle and spring loaded integral bit storage twist reverse and ratchet lock mechanism chrome molybdenum steel shaft with magnetic bit retention features popular range of 25mm and 75mm bits for the professional user colour coded for fast identification the 75mm bits feat