Openings are machined to precision for a perfect fit with nuts and bolts

• Thin ends for better access in narrow areas
• High-quality molybdenum -vanadium steel alloy and controlled thermal-treatment
• Exceeds ASME B107.100 Standard
• The set includes 9 wrenches, sizes: 6 x 7mm, 8 x 9mm, 10 x 11mm, 12 x 13mm, 14 x 15mm, 16 x 17mm, 18 x 19mm, 21 x 22mm, and 24 x 27mm