Feature:1. Can improve the rigidity of the tool and extend the life of the blade.2. Convenient clamping, automatic centering, the height of center is more accurate center.3. Suitable for U drill, center drill, inner diameter cutter rod, straight shank cutter and so on.4. D25 is applicable to SBHA20-25 and SBHA25-25.5. Casted from premium 40Cr material, high hardness, high strength, not easy to break.Specification:Condition: 100% Brand NewItem Type: CNC Lathe Tool Holder BushingMaterial: High Quality Steel 40CrD40 Applicable Tool Holder: SBHA20-25 SBHA25-25Optional Model: D25-13, D25-14, D25-16, D25-18, D25-20 D25-13:Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1inInner Hole Diameter: Approx. 13mm / 0.51inD25-14:Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1inInner Hole Diameter: Approx. 14mm / 0.55inD25-16:Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1inInner Hole Diameter: Approx. 16mm / 0.63inD25-18:Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1inInner Hole Diameter: Approx. 18mm / 0.71inD25-20:Handle Diameter (Outer Hole Diameter): Approx. 25mm / 1inInner Hole Diameter: Approx. 20mm / 0.79in.w-e-text table td,.w-e-text table th,;.w-e-text table,Package List:1 x Tool Holder Bushing