Bahco 螺母扳手采用全面的 11 点人机工程学程序设计 三件式手柄 圆形 - 不会对手掌造成压力 采用软质高摩擦材料，提供最大扭矩和舒适度 高级镀铬钒刀片 硬度符合 DIN 和 ISO 标准 ### 螺母扳手
The is a Nut Driver with 3-component handle for maximum user comfort and force transmission and entirely hardened long bore blade. The nut driver developed according to the scientific ERGO™ process. Permanent colour code on both ends of handle as time-saving aid for identification of the respective screw. It is suitable for male hexagon screws.