● Sine seat cushion can be fixed by block to adjust demanded angle. Suitable for drilling, milling, grinding and other precision machining angles. ● There are screw holes on panel to fix fixture or work piece with high precision. ● Range of angle adjustment:0~60° ● Accuracy of center:within 0.005mm ● Parallel precision:100m/0.003mm MCL-C4×7 MCL-C6×6 MCL-C6×12 MCL-C4*7 MCL-C6*6 MCL-C6*12