Firing device for standard .118 shock tube/Nonel, uses 209 shotgun primers (primers not included).
The body and punch holder are anodized aluminum, the stub handles and plug are Delrin, the adapter is brass, and the bolts are stainless steel.
The automatic center punch is a Starrett 18-AA, which is a very a high quality Made in the USA tool, but it can corrode.
We recommend using a light coat of gun oil to protect the punch. 4″ long and weighs 3 oz.