SUNWIN CNC Hollow Shaft 4th Axis Router Rotary A Axis &Phi;100mm 4Jaw Chuck+65MM Tailstock (Type C) We have 3 type of this product, The default Tailstock is Type A , if you need it with Type B or C, please choose the type you need when you place your order. Tailstock:Alive,with an axial direction spanner, adjustable travel: 50mm,Center Height: 65mm,Product weight: 2.1kg With K12-100MM 4 Jaw Centring Chuck Center height65MM Output shaft diameter: 30MM