Panblast STC-1 Heavy duty threaded blast machine coupling
Long lasting and durable,designed to withstand continuous flow of abrasive/air mix.
Rust resistant, can be left outdoors for long periods without rusting.
1.1/4" Female thread ( 39mm i.d.) , fits at bottom of all standard 14", 20", & 24" blast pots, to provide claw connection to blast hose coupling.