Product Description
Proto Open End wrenches are manufactured with the same high quality materials and strict quality control that all Proto wrench products are. The 15% angle of the heads helps to reach and adjust even the most difficult fasteners. Wrenches have two differing size openings to allow for maximum flexibility. Wrenches meet Federal Spec. GGG-W-636E and ANSI Spec. B107.6.
Sizes: 5/16" x 3/8", 7/16" x 1/2", 9/16" x 5/8", 11/16" x 3/4", 13/16" x 7/8"
Product Details
Features
- This Open End PROTOBLACK Wrench Set includes 5 pieces
- Special alloy steel and heat treat permits thin box walls for strength and durability
- Thin narrow jaws for better access in limited space
- Modified square open end provides the strongest design with better fastener grip
- Black oxide finish
