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Ring wrench YATO YT-0388 — 1 pc
YATO YT-0388 — 1 pc is a single ring (box) wrench designed for tightening and loosening hex nuts and bolts of the corresponding size. Manufactured from chrome-vanadium steel and finished with a chrome surface, this compact hand tool is intended for general mechanical, maintenance and repair tasks in workshops, garages and on-site service work. The AS-Drive geometry reduces the risk of rounding fasteners and improves torque transfer, making the wrench suitable for repeated professional and DIY use.
The AS-Drive system and satin surface finish provide better contact with fastener faces and reduce slippage under load. Chrome-vanadium construction ensures high strength and resistance to wear, while the chrome plating adds corrosion protection and simplifies cleaning. The single-piece design delivers consistent performance and dimensional accuracy for reliable engagement with hex heads.
Select the ring wrench size that matches the hex nut or bolt. Place the closed end of the wrench fully over the fastener head to ensure correct engagement with the AS-Drive contact surfaces. Apply steady force to turn the wrench in the required direction, keeping the tool aligned with the fastener axis to minimise stress on the fastener and wrench. For high torque applications, use controlled incremental force rather than sudden impacts.
Keep the wrench clean and dry; wipe off grease and debris after use to retain the chrome finish and prevent corrosion. Do not use the wrench as a hammer or pry bar. Inspect the contact surfaces regularly for wear and replace the tool if deformation or excessive rounding appears on the working end.
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