Internal hex (6 sided) to fit 5/16". Nickel plated brass. 29.9mm in length.14.2g in weight. Several hundred more keys and padlocks are available in my eBay shop.
Vintage Banjo Wrench - Hex End 9/32" - Brass Banjo Key - Vintage Key - ref.k457
Vintage Banjo Wrench - Hex End 5/16" - Brass Banjo Key - Vintage Key - ref.k252
NULYLU Zinc Alloy Banjo Armrest Ha15 Single Leg Replacement Part for Vintage Banjo Restoration – Mirror Finish Silver Protector Accessory for Folk Instrument Players
20 vintage banjo top tension brackets Windsor ? English zither banjo ? +screws
Vintage Banjo Case for 13" Diameter Banjo
