Open-End Ring Wrench 36 mm Rockforce RF-75536 CR-V L=380 mm

Open-End Ring Wrench 36 mm Rockforce RF-75536 CR-V L=380 mm is a hand tool combining an open-end jaw and a ring end in a single forged design. Manufactured from chromium‑vanadium (Cr‑V) steel, this 36 mm wrench has an overall length of 380 mm and is intended for tightening and loosening hexagonal nuts and bolts in automotive, industrial and general maintenance environments. The dual-end layout allows access in confined spaces with the open end and secure engagement with the ring end for higher torque applications.

Advantages

The forged Cr‑V construction provides strength and wear resistance while maintaining stiffness for effective torque transfer. The 36 mm size and 380 mm length deliver mechanical leverage suitable for medium to high torque fasteners without requiring excessive physical effort. The ring end offers full-surface contact to reduce rounding of fastener heads, and the open end enables quick positioning and use on partially obstructed bolts. The tool’s durable finish helps resist corrosion and eases cleaning after workshop or field use.

Suitable for

• Automotive repair and maintenance — wheel nuts, suspension and engine fasteners
• Industrial assembly and machinery servicing where 36 mm fasteners are present
• Field service and mobile workshops requiring a robust, versatile wrench
• General workshop tasks such as dismantling and reassembly of heavy equipment

Key specifications

• Size: 36 mm across flats
• Material: chromium‑vanadium (Cr‑V) steel
• Overall length: 380 mm
• Ends: one open-end jaw and one ring end
• Construction: forged single-piece design for improved strength

How to use

Select the 36 mm wrench when the fastener matches the size. Position the open end on the nut or bolt in tight access locations to quickly engage the fastener; use the ring end when higher torque and more secure contact are required. Apply steady, controlled force while keeping the wrench seated fully on the flats of the fastener to minimize slipping and rounding. For stubborn fasteners, ensure correct direction and, when possible, use gradual incremental force rather than sudden impacts.

Usage recommendations

Inspect the wrench for visible damage or excessive wear before each use. Use the ring end for final tightening or loosening to reduce fastener damage. Avoid using the wrench as a hammer or prying tool. Store in a dry place and wipe clean after use to maintain the finish and prevent corrosion.