Model 160 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-160 Right R Cartridge Holder 6" OAL 1.0" Sq, Right Hand PRNL-160 Left R Cartridge Holder 6" OAL 1.0" Sq, Left Hand Accessories         Std Ctg No IC Size & Thickness Insert Shape Clamp No Screw No 160250Ra 1/4" x 1/8" Round/Neg. C-16 C16-25/1 160315Ra 5/16" x 1/8" Round/Neg. C-16 C16-25/1 160375Ra 3/8" x 3/16" Round/Neg. C-16 C16-25/1 160375Rb 7/16" x 1/8" Round/Neg. C-16 C16-25/1 160437Ra 7/16" x 3/16" Round/Neg. C-16 C16-25/1 160437Rb 1/2" x 1/8" Round/Neg. C-16 C16-25/1 160500Ra 3/8" x 1/8" Round/Neg. C-16 C16-25/1 160375RPa 1/2" x 1/8" Round/Pos. C-16 C16-25/1 160500RPa 3/8" x 3/16" Round/Pos. C-16 C16-25/1 160375Wb 3/8" x 3/16" Trigon/Neg. C-16 C16-25/1 160599Wb 1/2" x 3/16" Trigon/Neg. C-16 C16-25/1 160375TC 3/8" x 2.5 mm Triangle TCMT-3 (2.5) 2 Insert Trigon/Pos. C-16 C16-25/1