5M Idler Pulley Specification: Model: 5M12T, 5M15T, 5M16T, 5M18T, 5M20T, 5M24T, 5M25T, 5M30T, 5M32T, 5M35T, 5M36T, 5M40T, 5M50T Teeth: 12T, 15T, 16T, 18T, 20T, 24T, 25T, 30T, 32T, 35T, 36T, 40T, 50T Pitch: 5.00mm Tooth: Arc Material: Aluminum Hole: on-demand selection Tooth width: 16mm, for 15mm wid...