17041657 Black Jack Nuts Compatible with Roland 1/4\" Jacks Pre-Threaded M12x1 Non-Standard Threading Guitar Amp Replacement Parts– Roland Input Jack #13449146–2 Pack

4 Pack 1/2 Inch NPT Female Brass Lock Nuts with Flange, Heavy Duty Hex Locknut for Plumbing Fittings, Water Gas Oil Pipe Connection, Durable Brass Lock Nut Set for Home and Industrial Use垫 4个装

SplashNColor Black Jack Nuts Replacement Compatible with Roland 1/4\" Jacks (Part #17041657) – Pre-Threaded M12x1 Non-Standard Threading - Hardware Nuts - Guitar Amp Replacement Parts – (2 Pack)