Ideal for modelmakers, robotics, precision engineering etc.....if fact anywhere where small/tiny imperial head fasteners are used/deployed!

Sizes in the set are 0.71mm, 0.89mm (i.e. the two smallest sizes are actually metric) ...with the other sizes in the set being 0.05" (1.27mm), 1/16" (1.59mm),  5/64" (1.98mm), 3/32" (2.38mm) & 7/64" (2.79mm) 

Supplied in a custom plastic holder.

Latest customer feedback received for the twh-02 allen key set....

"A+++++ Good quality at low price, fast delivery +++++++" (Belgium)
"Great Service and great items / Recommended A ++++++++++++" (UK)
"Top Quality Item / Perfect / Recommended A +++++++++++" (UK)
"All Perfect!! A++++" (Italy)
"Super seller!!! Fast shipping! High quality product" (Russia)
" Great transaction !!!" (USA)
"excellent transaction" (Italy) 
"Very good quality and fast delivery!!!!!" (Spain)

We also have a sibling mini sized metric version allen key / hex wrench available - search our Ebay shop for the engineer twh-01