• About 1/3 the thickness of your regular wrenches
• Increasingly popular in many fields, auto, aviation, industrial, medical, etc
• Made of polished high strength alloy steel
• The jaw do not flex under stress
• Lifetime Warranty
• Sizes: 8mm x 9mm, 10mm x 11mm, 12mm x 13mm, 14mm x 15mm, 16mm x 17mm, 18mm x 19mm, 20mm x 21mm, 24mm 27mm, & 30mm x 32mm