US M1 Booby Trap / Demolition Pull Switch

Original US Inert Bobby Trap Pull Switch.
The Inert Pull SwitchThat Would have Been ,Screwed into a Grenades ( Replacing the Standard Fuse ) Mines and Demolition Block's ( An Adaptor is needed for Demolition Blocks ) Turning Them into Booby Traps..
No Screw Base Fitted To the End As Per Photo's

Code: 54193