The SC-0121 8mm Key Screw locks your bass drum beater in place when being screwed into the beater hub.
Gibraltar SC-0121 8mm Beater Hub Key Screw (4 Pack)
Gibraltar SC-0121 8Mm Key Screw F/Beater Hub : Musical Instruments
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Gibraltar SC-0121 8mm Key Screw – Gibraltar Hardware
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Drum screw low prices - Beginner and Pro - Star's Music
Gibraltar SC-0121 8mm Beater Hub Key Screw (4 Pack)
Gibraltar SC-0121 8mm Key Screw 4pcs/Pack – Reco Music Malaysia
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SC-0121 Screw for beater Drum screw Gibraltar
Drum Hardware & Accessories
Gibraltar SC-0009 8mm Wing Screw 2 Pack
Gibraltar, Drum Depot, UK & Cardiff Drum Store