The black decker bdcim18n impact driver has a durable metal gear casing and delivers up to 155nm of torque for effortless driving and removal of screws and bolts the driver has a compact lightweight design that makes the drill easy to use over long periods of time its anti slip soft grip provides additional comfort spring loaded slide system is durable and prevents dust ingress ideal for driving large boltsscrews without needing a pilot hole removing rustyold or damaged screws and driving self