You are buying 

a

pack of 25

vintage new old stock

Copper - solid copper not plated

countersunk head rivets 

shaft diameter - 1.5mm

overall length - 6mm

head diameter - 3mm

please see pictures for clarification

these are vintage new / old stock

some will be tarnished 

a rare opportunity to buy these hard to find useful items

with free UK postage

Here at Kibworth DIY we stock a vast range of Tilley , Aladdin and Vapalux spares. Also a vast range of hard to find fixings , including Nettlefolds brass and steel woodscrews , BA brass and steel machine screws . whitworth bolts and metric brass and steel machine screws.