【Package】- 1PC Tool-holder with Shim Installed, Not Include the Carbide Inserts, Packed in Plastic Box. Canela Center Screw Turning Tool Holder STGCR1616H16 16mm Shank CNC Toolholder 7pcs 16mm Shank Lathe Boring Bar Turning Tools Holders Set With 7pcs Carbide Inserts And Carbide Insert Holder Explore the STGCR1616H16 External Lathe Turn Tool holder STGCR 1616H16 External Tool Holder, featuring a 91° cutting edge angle and a 7° relief angle. With a secure screw clamping system, it's ideal for CNC machines and lathes. Upgrade your machining efficiency today 【Material】- Hardened Steel STWCR/L STWCR1212H11 STWCR1616H16 CNC Lathe Machine Turning Tools External Turning Tool Holder For TCMT11/16 Carbide Inserts - (STWCR2525M16/ Angle STGCR Toolholders Suitatble Inserts:TCMT TCGT 110202 110204 110208 16T304., ., ., Shank Size: 8*8mm,10*10mm,16*16mm 20*20mm,25*25mm Package: 1PC Tool-holder with Shim Installed, Not Include the Carbide Inserts