Quarterman Resonator Guitar Cones
Resonator Cones and Parts for all Resonator Guitars, Ukes, Cigar Boxes & Mandolins (Foreign & Domestic)
Blue Note Woodworks Acousta-Elecktra Custom Handmade Guitars & Basses
3.0" long Stainless Steel Phillip Head Tension Screw for fastening spider bridge to Inverted Res-O-Cone QD-2. Plus it's stainless steel (won't corrode). To be carefully hand tightened snug.