· Heavy cast iron base of dimension 45 cm (L) × 15 cm (W) × 2.5 cm (Thick) hinged to wooden plane for easy inclination adjustment. · Two wooden strips of dimension (47.5cm (L) x6.2cm (W)x2cm thick) 2cm apart, rigidly connected by metal crosspieces. One strip extends 5 cm and carries a clamp to hold a pulley at any angle. · Pulley is made from aluminum material having diameter 4.5cm, Stem Length 15cm mounted on the extended strip.