The Klein KT171HFINS is a 1000V insulated lineman wrench with a hammer face forged right into the head.
Four square socket sizes cover the common pole hardware, and the dual hammer face drives from either side. The three-part insulation has a white under layer that shows when the insulation may be compromised.

• 5-in-1: four square sockets plus a dual hammer face
• Hammer face forged and machined into the head for balanced driving from either side
• 1000V rated; certified to ASTM F1505 and IEC 60900
• Three-part insulation with white warning under layer
• 3/4, 13/16, 1 and 1-1/8in square sockets
• Ergonomic handle works with insulated gloves
• High-tooth-count ratchet for smooth action in confined spaces
• Open, bolt-through design

• Model: Klein KT171HFINS
• Square Sockets: 3/4, 13/16, 1, 1-1/8in
• Insulation: 1000V, ASTM F1505 / IEC 60900
• Teeth: 34
• Swing Arc: 10.6°
• Finish: Black phosphate
• Overall Length: 13in (33 cm)
• Weight: 25.6 oz (726 g)