116, Long Hex L key, long arm 3, short arm 056, used to drive internal hexagon socket allen head fasteners, tools are made with Eklind Alloy Steel that is heat treated, quenched and tempered for optimum strength, torque and ductility for safety and coated with a rust resistant finish.
4-40 x 1/2 Three Sixteenths Round Male Female Standoff - Aluminum - Pkg of 1000 Round head screws are sometimes perferred over a pan head for its smooth surface and appearance..