- Made by heat-treated Chrome Vanadium Steel, chrome plated, superior life-time test
- Spline ratchet head with national utility patent, easy for use on hexagonal, square-headed bolt and nuts and other aircraft bolt
- Non-slip open end designing get better nut friction and better slip resistance
- Thinner design, smaller head profile, light weight and convenient, suitable for limited space
Non-slip open end designing get better nut friction and better slip resistance
Spline ratchet head with national utility patent,easy for use on hexagonal,square-headed bolt and nuts and other aircraft bolt
US 915 
MY 439 
CN 264 
AP 63 
AU 55 
SG 42 
GB 40 
CA 37 
