Eight (8) piece US-standard allen wrench set that goes with most of the set screws the socket head cap screws in our ready-to-run boats.

Wrenches sizes:
(1) .050
(1) 5/64
(1) 3/32
(1) 7/64
(1) 1/8
(1) 5/32
(1) 9/64
(1) 3/16