Mini SAE (standard) identification collar set for use with most brands of hex wrenches including Hudy, Protek, Associated, etc.
When all of your wrenches looks the same these collars help quickly locate the size you are needing to grab when you are working to get back on track asap.
For the most popular sizes the collars are used with .05, 1/16, 5/64 and 3/32 wrenches and includes micro 2mm holding set screws and the needed .9mm Allen key.
Note- the wrench shafts must be 3mm diameter for these collars. | 
