PROTO Flare Nut Wrench: Alloy Steel, Satin, 7 mm_8 mm Head Size, 5 3/4 in Overall Lg

The PROTO J3707MT flare nut wrench is used for tightening or loosening flare nuts on hydraulic, fuel, and refrigeration lines in industrial maintenance and repair. Its 12-point, double-end design with 7 mm and 8 mm heads provides secure grip on soft metal nuts without rounding, making it essential for automotive, plumbing, and HVAC applications.

The PROTO J3707MT is a metric, double-end, standard-head, 12-point flare nut wrench made of alloy steel with a satin finish. It has 7 mm and 8 mm head sizes and an overall length of 5 3/4 in. This PROTO wrench is designed for industrial applications requiring a 12-point configuration.

3G Electric supplies the PROTO J3707MT flare nut wrench worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this PROTO alloy steel, satin finish, 7 mm/8 mm double-end wrench.

To select the right PROTO flare nut wrench, match the wrench head size to the flare nut's hex dimension. For the J3707MT, use the 7 mm end on 7 mm nuts and the 8 mm end on 8 mm nuts. Always choose a 12-point design for better access in tight spaces and to reduce the risk of rounding soft metal nuts.