General description The AlwaysH 21Pcs Turning Tool Holder is a multifunctional carbide turning reamer holder designed for lathe tools. This comprehensive set includes various holders, wrenches, and inserts, making it ideal for both finishing and semi-finishing operations on steel and stainless steel. Technical specifications Material: Metal + Plastics Coatings: Carbide PVD Insert Color: Light Purple Coating Insert Types: MGMN200/ER3/8"/CCMT060204/DCMT070204/11 IR 1/4" Size (DxOverall Stem Length): S12M-SCLCR06: 150 * 12mm / 5.91 * 0.47in SER1212H16: 100 * 12mm / 3.94 * 0.47in SCL1212H06: 100 * 12mm / 3.94 * 0.47in MGEHR1212-2: 100 * 12mm / 3.94 * 0.47in SNR0012M11: 150 * 12mm / 5.91 * 0.47in SDNCN1212H07: 100 * 12mm / 3.94 * 0.47in SDJCR1212H07: 100 * 12mm / 3.94 * 0.47in T15 Wrench Length: 86mm Usage Suitable for induction hardened hydraulic shaft machining. Ideal for semi-finishing and finishing operations on steel and stainless steel. Designed for high-performance cutting with