Allen Key Set 5/64-5/16 Wiha 01420

More sets available, see here

Wiha Hex Key Set, Ball-End, 8 Pieces
The 369HZ8 is a 8-piece ball-end Hex L-key Set in holder with manganese-phosphated finish.
5/64″, 3/32″, 1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 5/16″ Hex Keys