GROOVING / CUTTING OFF GROOVING / CUTTING OFF IDENTIFICATION OF GY-PSC Holder y EXTERNAL a GY-PSC HOLDER z x c v b n m , C4 GY H R EX 00 M25 R zCoupling Size xSeries Description vHand of Holder nAngle (degree) ,Hand of Modular Blade C3 R Right 00 0° R Right C4 L Left 90 90° L Left C5 C6 cHolder Type bFunctional Length mModular Blade Size H Modular blade type CX 2.165" M20 D 2.362" M25 DX 2.559" E 2.756" EX 2.953" zCoupling Size F 3.150" F bFunctional Length F010