Features： 1、CNC knurling design, high strength and non‑slip, flat thrust, wide use range, strong versatility. 2、Stainless steel screw rod, close and detailed thread pitch, high strength. Suitable for most head tube lengths, aluminum alloy upper/lower pressure block. 3、All‑aluminum alloy CNC detachable handle, anodized surface, high gloss, has a light weight effect. CNC exquisite turning design, aluminum alloy joints, with fine thread. 4、Pressure block design, the back is used for assembling the press‑in bottom bracket, and the sinking table is designed to reduce the pressure on the bearing during installation. When installing the press‑in bottom bracket, adjust the position of the press block to the opposite side, hold it with both hands and slowly apply pressure to install. 5、Plane thrust bearing, labor‑saving design, the bearing uses lubricated balls, not easy to be crooked, hold with both hands and slowly apply pressure to install. pay attention to whether the headset is tilted, with an adjustable wrench, step by step, it is recommended to install only one side each time. Specification： Item Type: BB bottom bracket installation tool Material: Aluminum alloy+304 stainless steel Color: As pictures shown Brand: TOOPRE Size: Approx. 21 x 27.5cm / 8.3 x 10.8in Diameter: Approx.12mm / 0.5in Package List： 1 x BB Bottom Bracket Installation Tool 2 x Accessories