Tension Pulley, Belt Type Light Duty, Idler, Industry Number 89020, Max Belt Width - Belt Tensioners and Tension Pulleys 1/2 in, Pulley Diameter - Belt Tensioners and Tension Pulleys 3 3/4 in, Pulley Material - Belt Tensioners and Tension Pulleys Steel, Pulley Type - Belt Tensioners and Tension Pulleys V-Belt, Pulley Width - Belt Tensioners and Tension Pulleys 41/64 in