Model 200 Lathe Toolholders Features include: Change toolholder style by changing out the cartridge only Change from negative inserts to positive by changing out the cartridge only Cartridge holds all insert materials: Carbide, Ceramic, CBN and/or PCD Less time required than for changing toolholders Benefits include: Reduce machine downtime by 75% on toolholder changes Reduce your toolholder inventory Save money – crashed tools recovery involves only the cartridge   Hand Style Holder Description PRNR-200 Right R Cartridge Holder 8" OAL 1.0" Sq, Right Hand PRNL-200 Left R Cartridge Holder 8" OAL 1.0" Sq, Left Hand Accessories         Std Ctg No IC Size & Thickness Insert Shape Clamp No Screw No 200375Ra 3/8" x 1/8" Round/Neg. C-20 C20-31/1.25 200375Rb 3/8" x 3/16" Round/Neg. C-20 C20-31/1.25 20437Ra 7/16" x 1/8" Round/Neg. C-20 C20-31/1.25 20437Rb 7/16" x 3/16" Round/Neg. C-20 C20-31/1.25 200500Ra 1/2" x 1/8" Round/Neg. C-20 C20-31/1.25 200500RPa 1/2" x 1/8" Round/Pos. C-20 C20-31/1.25 200375Wb 3/8" x 3/16" Trigon/Neg. C-20 C20-31/1.25 200500Wb 1/2" x 3/16" Trigon/Neg. C-20 C20-31/1.25 200500Tb 1/2" x 3/16" Triangle/Neg. C-20 C20-31/1.25 200625Tc 5/8" x 1/4" Triangle/Neg. C-20 C20-31/1.25