The Hand Crank Screw Jacks are ideal solutions for applications where electricity or power generators is inconvenient or dangerous, light weight, low duty cycle, low target cost and short travel length.

Hand Operated Screw Jack is composed of hand wheel or hand crank and a worm gear screw jack.It is idea solutions for applications where electricity or power generators is inconvenient or dangerous.

The Crank table is very popular, can be used as personal computer desk or meeting table or industrial adjustable table etc.