Machine-readable reference API (/specs/)

Measured vintage drum fitment reference across 12665 live + archived specimens (1531 live, 11134 archive; 5964 dual-verified) — hole spacings, thread pitches, shell sizes, badge eras, and asking-price ranges. Based in Big Rapids, Michigan USA since 2004. Every figure is measured from photographed specimens.

Manifest + matrix

• index.json (Dataset JSON-LD)
• fitment-matrix.json (hole spacings, thread pitches, shell sizes, badge eras, price ranges)
• llms-full.txt (specs + full live catalog)

Makers

• Slingerland Radio King specs · hub
• WFL (Ludwig) specs · hub
• Ludwig specs · hub
• Slingerland specs · hub
• Gretsch specs · hub
• Rogers specs · hub
• Leedy specs · hub
• Camco specs · hub
• Premier specs · hub
• Sonor specs · hub
• Zildjian specs · hub
• Paiste specs · hub

Parts

• Vintage Drum Sets specs · hub
• Used Drum Sets specs · hub
• Vintage Snare Drums specs · hub
• Used Snare Drums specs · hub
• Vintage Bass Drums specs · hub
• Tom Drums specs · hub
• Marching Drums specs · hub
• Vintage Cymbals specs · hub
• Vintage Drum Hardware & Parts specs · hub
• Drum Lugs specs · hub
• Drum Mounts & Brackets specs · hub
• Drum Rims & Counterhoops specs · hub
• Drum Tension Rods specs · hub
• Bass Drum Claws & T-Rods specs · hub
• Calfskin Drum Heads specs · hub
• Vintage Drum Heads specs · hub
• Snare Strainers & Throw-Offs specs · hub
• Snare Butt Plates specs · hub
• Vintage Cymbals & Gongs specs · hub
• Mallet & Band Percussion specs · hub
• Bongos, Timbales & Latin Percussion specs · hub
• Fully Restored Vintage Drums specs · hub