In line with clients' diverse requirements, we are involved in providing an optimum quality range of bell crank apparatus .
A wooden right angled lever with fulcrum at the angle, the horizontal arm is of 75 cm. and vertical arm is of 30 cm, a spring balance with adjustable wing nut is attached to the shorter arm. The lever arm is with scale and grooved at every at every 5 cm. complete with one sliding slotted weight 2.5 kg.