Used for low torque, precision, or interior work. Usually you want to use with a socket size 12mm or smaller (but up to 14mm for low torque applications). See more

The most versatile and useful drive size for most people. Use it for engine work or all purpose use around your home. It allows you to apply quite a bit of torque yet fits in spots that a 1/2″ drive won’t. Generally, you’ll want t… See more

Used for instances where a lot of torque is required such as a car’s lug nuts or exhaust system or if driving large lag bolts into your wall studs to install a flat screen TV. Generally used for 19mm and larger sockets or i… See more

While most individuals will never need anything other than the three drive sizes above, ratchets with 3/4″, 1″, 1-1/2″, and higher drive sizes do exist. These are most often used for industrial applications or on vehicles su… See more