Worm AND Worm Wheel Apparatus (Single Start)

· Precision-machined worm gear with a 25 cm diameter, mounted with a metal drum of 12 cm diameter. · Matching machine-cut worm on a steel spindle, fitted with a 12 cm diameter pulley. · Entire assembly mounted on a heavy-duty cast iron bracket suitable for wall- mounting. · Supplied complete with: effort pulley, strong string with one metal hooks for hanging weights. · Weights not included.