Manufactured from hardened and tempered Chrome Vanadium steel with a fully polished finish. 

Patented design enable a ratcheting action for quick and efficient work. Unique geometry allows easier work on damaged, rounded and rusted nuts.

Ideal for use on brake lines, air conditioning, fuel lines and injection systems. works on rounded, worn and rusted nuts. 
Two options: 
1. 1/2" dr. 4pc set with size-22,24,27,32mm

1. 3/8" dr. 11pc set with size:8,10,11,12,13,14,15,16,17,18,19mm 
2. 3/8"+1/2" dr. 15pc with size:3/8" dr.-8,10,11,12,13,14,15,16,17,18,19mm; 1/2" dr.-22,24,27,32mm

Below is a review from one of our clients who bought the completely 16pc set: