Discontinued J1192SPL
Proto® Reversible Ratcheting Box Wrench-Spline
Discontinued J1192SPL

Proto® Reversible Ratcheting Box Wrench-Spline

  • The chrome-vanadium switch lever allows for easy changes in turning direction which helps improve efficiency
  • 15° angled offset helps keep shank clear of obstructions
  • Box end is chamfered for easy application to the fastener
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Additional Features

  • Spline design enables the wrench to contact conventional fasteners away from the corners, which applies force over a larger area, reducing risk of fastener scoring and helps prevent rounding of the corners and other fasteners damage that could lead to Foreign Object Damage (FOD)
  • Anti-Slip Design (ASD) open end
  • Black chrome finish is corrosion-resistant and visually distinctive
  • Compact size allows you to work in tight spots
  • The 72 tooth gear allows for 5˚ arc swing during use
  • Spline wrenches can be used on 4, 6, 12 point, spline and Torx® fasteners


Product Length
5-1/2 in
Head Thickness 2
3/8 in
Product Height
2/5 in
Product Width
8/9 in
Outside Head Width 2
57/64 in
Outside Head Width 1
51/64 in
Number of Pieces
Product Weight
0.2 lbs



Unfortunately, the warranty information cannot be retrieved for this specific product. Please review the information about our warranties.

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We take extensive measures to ensure all our products are made to the very highest standards and meet all relevant industry regulations.

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