... clamping elements, flexible couplings, gears,torque limiters; ISO9001-2008 power transmission parts Reach Jiayuan Timing Belt Pulley specifications:1.Straight-bore ... : MXL,XL,L,H,T2.5,T5,T10,AT5,AT10,3M,5M,8M ... ,14M;2.Taper-bore: L,H,XH,5M,8M,14M;3.Timing pulley bar: MXL ... setting available; bored to fit for easy installation power transmission parts