Proto Jc484-4 Adjustable Face Spanner Wrench - Professional Tool for Plumbing, Automotive & Mechanical Repairs - Perfect for Tightening Pipe Fittings, Nuts and Bolts

Use the Proto adjustable face spanner wrench for tightening collars, lock nut wings, and seal/packing nuts on hydraulic cylinders. The precision machined pin provides engagement with holes or slots on the face of a bearing or nut. Nonreflective black oxide finish. This listing is for each. Technical Specification Item Adjustable Face Spanner Wrench Capacity 4' Overall Length 10-3/8' Pin Dia. 5/16' Pin Length 1/2' Wrench Material Alloy Steel Finish Black Oxide Application Servicing Seal and Packing Nuts On Hydraulic Cylinders Standards Federal Specification GGG-W-665B