This is a 4-way wrench that is handy to have in any field box. It has four of the most popular sizes used in modeling: 5/16", 3/8", 7/16", and 1/2" and will also fit 8,10,11,12mm sizes.
FEATURES
EXTRA LONG glow plug socket for deep heatsink heads.
Built-in glow plug storage for three glow plugs.
Wrench storage klip for mounting on field box or workbench.