Belts are precision ground, not cut, so they fit the pulley with absolute perfection
Durable nylon fiber provides extra wear resistance, doubling tooth strength
Product Name : Timing Belt;Model : 120XL;Number of Teeth : 60
Pitch : 5.08mm/0.2";Tooth Height : 1.27mm/.05";Tooth Width : 2.1mm/0.08"
Belt Thickness : 2.3mm/0.09";Belt Width : 10mm/0.39";Belt Inner Girth : 304.8mm/12"