Mailing Tube End Caps

Armbrust keeps a variety of end caps available. Our tube end closures are durable and versatile. We carry our end caps in different stock varieties that are ready to ship.:

  • White plastic

  • Heavy duty black plastic

  • Metal

  • Size ranges from 1” up to 12”

Have a custom order? Send your quantities and specifications for a free estimate, and we will be happy to serve your needs!

Tube End Closures

white plastic plugs

White Plastic Plugs

black plastic plugs

Black Plastic Plugs

metal plugs

Metal Lock-in Plugs



Code Name Weight Price  
WP-15 1-1/2" White Plastic Plugs 20.00 $0.04
WP-125 1-1/4" White Plastic Plugs 21.00 $0.05
WP-175 1-3/4" White Plastic Plugs 18.00 $0.05
WP-1375 1-3/8" White Plastic Plugs 0.00 $0.05
WP-1875 1-7/8" White Plastic Plugs 0.00 $0.05
WP-10 10" White Plastic Plugs 15.00 $1.21
WP-12 12" White Plastic Plugs 14.00 $2.53
WP-1625 15/8" White Plastic Plugs 0.01 $0.04
WP-1 1" White Plastic Plugs 21.00 $0.04
WP-25 2-1/2" White Plastic Plugs 29.00 $0.07
WP-225 2-1/4" White Plastic Plugs 16.00 $0.06
WP-2125 2-1/8" White Plastic Plugs 0.01 $0.13
WP-275 2-3/4" White Plastic Plugs 16.00 $0.07
WP-2875 2-7/8" White Plastic Plugs 0.01 $0.07
WP-2 2" White Plastic Plugs 17.00 $0.05
WP-35 3-1/2" White Plastic Plugs 25.00 $0.11
WP-325 3-1/4" White Plastic Plugs 0.02 $0.15
WP-3937 3-15/16" White Plastic Plugs 0.02 $0.14
WP-3625 3-5/8" White Plastic Plugs 0.02 $0.07
WP-3 3" White Plastic Plugs 30.00 $0.09
WP-475 4-3/4" White Plastic Plugs 0.03 $0.47
WP-4 4" White Plastic Plugs 30.00 $0.13
WP-5 5" White Plastic Plugs 14.00 $0.29
WP-6 6" White Plastic Plugs 15.00 $0.40
WP-7 7" White Plastic Plugs 24.00 $0.71
WP-8 8" White Plastic Plugs 30.00 $1.02