Coupling 1.Couplings for linear motion system use 2.With flexible or rigid two types 3.Material: aluminum or stainless steel 4.Provide high torque loads while not sacrificing misalignment capabilities and remaining affordable. Facp-l diameter 16, 20, 25, 32, 40 and weight 12, 19, 36, 69, 130 respectively. Facp-s diameter 12, 16, 20, 25, 32 and weight 3, 8, 13, 24, 48 respectively.