Ratchet tool complete with 2 hexagonal bits, one 1/4 inch and one 5/16 inch. Benefits: easier to fasten set screws and improved design.
Tube Reference
Type
A
98
Ratchet (1/2" Drive, 10" Long)
5
Hexagon Bit (1/4" AF)
6
7
Hexagon Bit (5/16" AF)
8
9