Image ST-Series Dust Plug Jump to Section Product Options Related Products Product Options Part Number Body Size Material 2STDP-A 1/4" Aluminum 3STDP-A 3/8" Aluminum 4STDP-A 1/2" Aluminum 6STDP-A 3/4" Aluminum 8STDP-A 1" Aluminum 8STDP-A-V2 1"- V2 Aluminum 16STDP-A 2" Aluminum Related Products Image ST-Series Dust Cap Image ST-Series Heavy Duty Flushface Female Threaded Coupler Image ST-Series Heavy Duty Flushface Female Threaded Plug Image ST-Series Heavy Duty Flushface Old Style Female Threaded Coupler Image ST-Series Heavy Duty Flushface Old Style Female Threaded Plug