Rubber belt for transferring energy from any motor pulley to any other pulley at a distance of about 7 centimeters (3 inches). The inner diameter of the circular belt is 54 millimeters (2 inches). The thickness of the belt is 1.8 mm so that it can easily flow inside the 2-mm groove of small motor pulleys as well as larger pulleys.
Available in pack of 10 and pack of 100.
Image shows a motor and a generator linked to each other using motor pulleys and a belt.