【Professional Design】90 tooth produce a swing arc just over 4 degree allowing faster work in the most compact spaces, unique 9 position locking flex head ensures that the ratchet head maintains the desired position regardless of size or applied load.,【Easy To Use】Recessed shift lever to prevent accidental shifting to improve job efficiency, streamlined teardrop ratchet head for improved access in the most compact areas, slim profile allows better access in tight areas.,【Ergonomic Design】Ergonomic comfort handle provides the ultimate grip and reduces fatigue during use.,【Lock Easily】 Positive stop feature will prevent any over travel or lock up while switching.,【Premium Material】 High quality chrome vanadium steel forging, professional mirror chrome protective plating on the surface brings durability and corrosion resistance.