It consists of a wooden polished base 5½ x 9¾" with a capstan mounted at one end and screw eye for hanging pulleys at the other, 24" vertical support rod, 8" crossbar with clamp, 8 single pulleys, 2 double pulleys, wheel and axle, 6 pulley clamps, 90º clamp, 9 hooked masses ranging from 10 to 1000 gm, and pulley cord.