Rotolinear systems provides keyless clamping devices from kbk, germany. These keyless clamping devices are locking devices used to connect drive components to shafts and make a backlash free transmittance of high torques possible. Conical elements ensure a safe connection between shafts and pulley, gearwheels, chain wheels and flywheel masses. Assembly costs is low as it has very simple mounting and dismantling procedures . Reduce assembly costs.