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Hand Tools > Wrenches > Ratcheting > SAE > Individual > 3/8"-5/16" Sq Refrigeration Ratcheting Box Wren

3/8"-5/16" Sq Refrigeration Ratcheting Box Wrench

3/8\"-5/16\" Sq Refrigeration Ratcheting Box Wrench
J1112 - 3/8"-5/16" Sq Refrigeration Ratcheting Box Wrench
Features and Benefits
  • Designed for servicing automotive, commercial, and residential air conditioners, refrigeration units and freezers
  • Hex openings are used for packing glands fittings, mounting bolts, clutch bolts, tubing fittings, dust cap nuts and oil check plugs
  • Square openings are used on male service valves, plug fittings, compressor valves and refrigerant charging tanks
Product Details
Length 5-1/2"
Weight 0.25 lbs
Socket Size 1/4"-3/16" Hex
Square Size 3/8"-5/16"


  • Use safety goggles, serious eye injury is possible
  • Pull the wrench toward you, do not push
  • Do not use extenders or cheater bars
  • Adjust adjustable wrenches tightly
  • Strike striking/slugging wrenches squarely, do not overblow or underblow
  • Use correct size wrenches, do not use fractional wrenches on metric fasteners and vise versa
  • Use the type of wrench that fits the job
  • Use a box type wrench if possible
  • Maintain your balance
  • Use a commercial lubricant on a corroded fastener
  • Do not use a damaged wrench, replace
Stanley Proto Industrial Tool PO J1112 - 3/8"-5/16" Sq Refrigeration Ratcheting Box Wrench POJ1112

  • Shipping Weight: 0.25lbs
  • Manufactured by: Stanley Proto Industrial Tools
  • Toolsource #: 109304
  • Manufacturers Part #: J1112
  • Also Known As: POJ1112

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