Grooves 6, Rotation CW, Thread size M16-1.50, Outer Diameter 52.00, Belt type Multi Belt, Depth 10.40, Free run w/, Width 1 44.50, Groove Measurement 1 14.60, Bore dia. 17.00, Remarks Attention: Always change OADTM pulleys with the same OADTM technology – To prevent damages and loss of warranty in case of failures., Pulley type OAD