Outer Ply Thickness Mil
outer_ply_thickness_mil
Inner Ply Thickness Mil
inner_ply_thickness_mil
Two dual-position subsonic dampening rings
Bass Size Min In
bass_size_min_in
Bass Size Max In
bass_size_max_in
Two-ply bass drum head with focused low end
Every field carries its own trust-tier: core data is confirmed by the manufacturer, peripheral data — by AI (with a source link). Safety-critical parameters (load ratings) are never published below vendor-claimed — a liability requirement.