Screw for ANGLEBase® - 4.8/Standard - 19.461 $13.50 This is a final screw for the AngleBase® ti bases that takes the DESS Angulated Screw Channel driver. Torque is 25ncm. It is compatible with Astra® EV - 4.8 and Hiossen® - Standard. It can be used to move the screw access hole up... Add to Cart