Proto® Black Oxide Check Nut Wrench 1-1/8″

• Use check nut wrenches to tighten jam nuts, check nuts or lock nuts.
• In confined spaces, the 15° head allows for a full 30° rotation by flipping wrench over.
• Ultra thin profile improves access in close quarters.
• Non-reflective black oxide finish for use where non-plated products are required.