The facom acl1 ratchet bit driver has a high quality 45 tooth mechanism for speed precision strength and durability the one handed selector ring offers 3 settings screw unscrew and tighten and the 7 bit storage compartment cap can serve as an additional mini bit holder for difficult to reach screw locations the bi material ergonomic handle offers a powerful comfortable screwing action and is partly hollow for storage of additional bits or screws a powerful magnetic adaptor holds the bit and the