M8X0.75 thread. Steam pressure can be adjusted by the top nuts.
1 Pcs MW-6 Brass Steam Bell Whistles for Live Steam Models
1 Pcs JW-7 Bell Whistles for Live Steam
1 Pcs JW-9 Bell Whistles for Live Steam
1 Pcs JW-5 Bell Whistles for Live Steam
10 Pcs Live Steam 10 UNION NUTS 1/4" x 40. To Suit 3.5MM Pipe
1 Pcs GV-A2 3.5mm Pipe 1/4 X 40 Inline Globe Valve for Live Steam
