Condition: 100% Brand New Item Type: CNC Lathe Tool Holder Bushing Material: High Quality Steel 40Cr D40 Applicable Tool Holder: SBHA20-25 SBHA25-25 Optional Model: D25-13, D25-14, D25-16, D25-18, D25-20 D25-13: Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in Inner Hole Diameter: Approx. 13mm / 0.51in D25-14: Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in Inner Hole Diameter: Approx. 14mm / 0.55in D25-16: Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in Inner Hole Diameter: Approx. 16mm / 0.63in D25-18: Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in Inner Hole Diameter: Approx. 18mm / 0.71in D25-20: Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in Inner Hole Diameter: Approx. 20mm / 0.79in Package List 1 x Tool Holder Bushing 1Can improve the rigidity of the tool and extend the life of the blade. 2Convenient clamping, automatic centering, the height of center is more accurate center. 3Suitable for U drill, center drill, inner diameter cutter rod, straight shank cutter and so on. 4D25 is applicable to SBHA20-25 and SBHA25-25. 5Casted from premium 40Cr material, high hardness, high strength, not easy to break.