Blackjack ACC Spring K44 with 5/16″

BlackJack ACC Spring K44 with 5/16-24 UNF Female connection is an assembled replacement for BlackJack Antennas and contains the following components:
1 x Bottom Plug [SS4]
1 x Top Plug [SS3 & SS4]
1 x SS3 Spring
2 x Nylon Plugs
1 x Braid Assembly
1 x M4x4 Grub Screw
Methylated Spirits, Pratley Glue and Screw Lock

NB:
SS4 AKA 5/16-24 UNF
SS3 AKA 1/4-20 UNC