Simple Atwood Machine, include Apparatus and 2 pulleys connected by a rod, 1.75inch plastic pulleys connected to a 3inch rod, Overall length is 8.25inch, Two pulleys are connected by a metal rod.
Pulley With Universal Clamp, Consists Of A 50mm Diameter Light Alloy Pulley, Held In Alloy Bracket, With Two Clamping Screws For Bench And Rod Support. The Bracket May Be Clamped To A Bench Edge Or Similar Support Up To 1.5in Thick, Screwed To A Flat Surface, Or Held On 12.5mm
Pulley Large With Universal Clamp, Consists Of A 70mm Diameter Light Alloy Pulley, Held In Alloy Bracket, With Two Clamping Screws For Bench And Rod Support. The Bracket May Be Clamped To A Bench Edge Or Similar Support Up To 1.5in Thick, Screwed To A Flat Surface