Klein Tools Lineman's Wrench — 4-Opening Guy Clamp Wrench Built for linemen and utility professionals working in tight clearances, the Klein Tools Lineman's Wrench is forged from special bar steel and heat-treated for exceptional durability and long service life. Each end features two different size openings — giving you four total — plus a hole at the larger end for turning in standard pole steps. Designed specifically for heavy three-bolt guy clamps where clearance is limited. Key Features Forged from special bar steel and heat-treated for long life 4 openings total — two per end for versatile fitment Small end: 5/8" and 13/16" openings Large end: 29/32" and 1-3/32" openings Hole at larger end for turning in standard pole steps Designed for heavy three-bolt guy clamps with limited clearance Dark blue painted finish Made in USA Specifications Spec Value Application 5/8" (1.6 cm) Hardware Small End Openings 5/8", 13/16" Large End Openings 29/32", 1-3/32" Overall Length 13" (33 cm) Weight 30.4 oz (862 g) Color Dark Blue Country of Origin USA SKU OHL-3146 UPC/Barcode 092644680007 Frequently Asked Questions What is a lineman's wrench used for?A lineman's wrench is a specialized tool used by utility linemen to tighten and loosen hardware on power line infrastructure — particularly heavy three-bolt guy clamps and pole step hardware where standard wrenches can't fit. How many openings does the Klein Tools Lineman's Wrench have?It has four openings total — two per end. The small end has 5/8" and 13/16" openings; the large end has 29/32" and 1-3/32" openings. What is the overall length of this wrench?The Klein Tools Lineman's Wrench measures 13 inches (33 cm) in overall length and weighs 30.4 oz (862 g). Is this wrench made in the USA?Yes. The Klein Tools Lineman's Wrench is manufactured in the USA from special bar steel that is forged and heat-treated for long-term durability. What is the hole at the large end used for?The hole at the larger end is specifically designed for turning in standard pole steps, adding utility beyond standard wrench functions. Is this wrench suitable for arborists?While primarily designed for utility linemen, this wrench is well-suited for any professional working with guy clamps, pole hardware, or similar fasteners in confined clearance situations — including tree service professionals working with pole-mounted equipment.
