9/16″ Plastic plugs used for 1/2″ borate rods.
$0.30 – $28.95
9/16″ Plastic plugs used for 1/2″ bor8 and Cobra borate rods.
(for sealing borate rod holes)
9/16″ x 1-5/8″
Available in black
$0.30 – $28.95
(for sealing borate rod holes)
9/16″ x 1-5/8″
Available in black