Screw Jack

Robust all-metal construction featuring a precisely machined screw with a 5 mm pitch. The unit includes a double-flanged turntable approximately 20 cm in diameter, securely mounted on a heavy cast iron base. Supplied with two adjustable pulleys, cord, and hooks for load application and mechanical advantage demonstrations. Weights are not included. Optional Accessories: Slotted Weight 500gm x 5 - One Set & Slotted Weight 50gm x 5 - 2 Sets