Angle of holder Seat Size TypeExternalExternalExternalExternalExternal Angle of holder Seat Size TypeFaceFaceFaceFaceFaceFace GROOVING / CUTTING OFF QUICK INDEX Modular Blades Selection Chart (For External and Face Grooving) Holder Modular Blade Page Holder Modular Blade Page GYM20RA-D06DGYM20RA-D10GYM20RB-D18F040F064 GYM25RD-D12-040GYM25RD-D12-050F086GYM25RD-D12-060F128 (Inch holder) GYM20RA-E06GYHRUS10B00-M20REGYM20RA-E10(Metric holder)00°GYHR1616J00-M20RGYM20RB-E18GYM20RA-F06FGYM20RA-F10GYM20RB-F18F042F066F044F068DGYM25RD-D12-075GYM25RD-D12-100GYM25RD-D12-135GYM25RD-D12-180F088F130GYM25RD-E12-040GYM25RD-E12-050F090 G GYM20RA-G12 F046, F070 GYM25RD-E12-060 F132 H GYM20RA-H12 F048, F072 E GYM25RD-E12-075 GYM20LA-D06DGYM20LA-D10GYM20LB-D18F040F064 GYM25RD-E12-100GYM25RD-E12-135GYM25RD-E12-180F092F134 (Inch holder) GYM20LA-E06GYHLUS10B00-M20LEGYM20LA-E10(Metric holder)00°GYM20LB-E18F042F066 GYM25RD-F12-035GYM25RD-F12-040GYM25RD-F12-050F094F136 GYHL1616J00-M20L GYM20LA-F06FGYM20LA-F10GYM20LB-F18F044F068 GYM25RD-F12-060 F096GYM25RD-F12-075F138FGYM25RD-F12-100F098 G GYM20LA-G12 F046, F070 GYM25RD-F12-135 F140 H GYM20LA-H12 F048, F072 F GYM25RD-F12-180 F100 GYM20RA-D06DGYM20RA-D10GYM20RB-D18F040F064 GYM25RD-F12-225 F142GYM25RD-F20-060F096GYM25RD-F20-075F138 (Inch holder)GYHRUS12C00-M20R GYM20RA-E06EGYM20RA-E10(Metric holder)00°GYM20RB-E18GYHR2020K00-M20RGYM20RA-F06FGYM20RA-F10GYM20RB-F18GGYM20RA-G12F042F066GYM25RD-F20-100GYM25RD-F20-135GYM25RD-F20-180(Inch holder)F044GYHRUS12C00-M25RF068F046, F070(Metric holder)00°GYHR2020K00-M25RGYM25RD-F20-225GYM25RD-G14-040GYM25RD-G14-050GYM25RD-G14-060F098F140F100F142F102F144 H GYM20RA-H12 F048, F072 GYM25RD-G14-085 F104 GYM20LA-D06DGYM20LA-D10GYM20LB-D18F040F064 GYM25RD-G14-125 F146GGYM25RD-G14-180GYM25RD-G14-250F106F148 (Inch holder)GYHLUS12C00-M20L GYM20LA-E06EGYM20LA-E10(Metric holder)00°GYM20LB-E18F042F066 GYM25RD-G25-060 F102, F144GYM25RD-G25-085F104GYM25RD-G25-125F146 GYHL2020K00-M20L GYM20LA-F06FGYM20LA-F10GYM20LB-F18F044F068 GYM25RD-G25-180 F106GYM25RD-G25-250F148GYM25RD-H14-050F108 G GYM20LA-G12 F046, F070 GYM25RD-H14-060 F150 H GYM20LA-H12 F048, F072 GYM25RD-H14-085 F110 GYM25RA-D06DGYM25RA-D12GYM25RA-D20F040F064 GYM25RD-H14-125 F152GYM25RD-H14-180F112HGYM25RD-H14-250F154 GYM25RA-E06EGYM25RA-E12GYM25RA-E20F042F066 GYM25RD-H25-060 F108, F150GYM25RD-H25-085F110GYM25RD-H25-125F152 (Inch holder) GYM25RA-F06GYHRUS12C00-M25RFGYM25RA-F12(Metric holder)00°GYM25RA-F20GYM25RA-G08GYHR2020K00-M25RGGYM25RA-G14GYM25RA-G25F044F068F046F070GYM25RD-H25-180F112GYM25RD-H25-250F154GYM25RD-J14-050GYM25RD-J14-070GYM25RD-J14-110F114F156GYM25RD-J14-170F116 GYM25RA-H08HGYM25RA-H14GYM25RA-H25F048F072 J GYM25RD-J14-250 F158GYM25RD-J25-070F114GYM25RD-J25-110F156 GYM25RA-J08JGYM25RA-J14GYM25RA-J25F050F074 GYM25RD-J25-170 F116GYM25RD-J25-250F158F025