Condition: 100% Brand New_x000D_ Item Type: CNC Lathe Tool Holder Bushing_x000D_ Material: High Quality Steel 40Cr_x000D_ D40 Applicable Tool Holder: SBHA20-25 SBHA25-25_x000D_ Optional Model: D25-13, D25-14, D25-16, D25-18, D25-20 _x000D_ D25-13:_x000D_ Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in_x000D_ Inner Hole Diameter: Approx. 13mm / 0.51in_x000D_ D25-14:_x000D_ Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in_x000D_ Inner Hole Diameter: Approx. 14mm / 0.55in_x000D_ D25-16:_x000D_ Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in_x000D_ Inner Hole Diameter: Approx. 16mm / 0.63in_x000D_ D25-18:_x000D_ Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in_x000D_ Inner Hole Diameter: Approx. 18mm / 0.71in_x000D_ D25-20:_x000D_ Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1in_x000D_ Inner Hole Diameter: Approx. 20mm / 0.79in 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.1 xTool Holder Bushing