Specifications:

DC5521 PLUG

DC5525 PLUG

DC3513 PLUG

DC4017 plug with tuning fork

5521 (round tube hard shell)

5525 (round tube hard shell)

3513 (round tube hard shell)

DC5521 long with tuning fork

DC5525 long with tuning fork

5521 metal long with tuning fork

5525 metal long with tuning fork

5521 metal short copper pipe

5525 metal short copper pipe

3513 metal short copper pipe

YX5521 female head

YX5525 female head

3513 [welding-free] female head

3513 [welding-free] male head

5521 [welding-free] female head

5521 [welding-free] male head

5525 [welding-free] female head

5525 [welding-free] male head

5525 [welding-free] male head with tuning fork