Proto J1028A Double Box Wrench, 7/8 in x 15/16 in, 12-Point, 13-1/2 in OAL, Alloy Steel, Chrome 393EP3 Head Size 1 3/8 in

Head Size 1 3/8 in

They measure turning force electronically for high accuracy compared to analog torque wrenches

stroke delivers fast

Maximum Thickness - mm 1 mm

Replace the hex bushing with a hex nipple (sold separately) to connect two female fittings

Proto J1028A Double Box Wrench, 7/8 in x 15/16 in, 12-Point, 13-1/2 in OAL, Alloy Steel, Chrome 393EP3 Head Size 1 3/8 inFull polish wrenches meet and exceed stringent aerospace specification AS4984A which requires tools to have a thicker nickel chrome coating for greater corrosion resistance 12 point box end is countersunk for easy application to the fastener, helping to improve speed and access. Fits 4, 6 and 12 point fasteners Offset box end allows access to recessed fasteners and keeps hands clear of obstructions Material Alloy Steel Finish Chrome SAE or Metric SAE