Our MEGA Wrenches feature a one-way clutch system with a roller bearing and ratchet function for the firm and easy tightening of BIG BIG DAISHOWA slot-free nuts. Additionally, we have torque limiting wrenches in both traditional and digital styles, when more precise tightening is required. MEGA wrenches are compatible with slotted nuts, however, we also have conventional spanner wrenches available.

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