Press Studs
(tool not included) 
 
Style:
HD 15mm Press Studs  
 
Finish:
Antique Brass
Antique Silver
Silver
Gun Metal
 
Starter Kit with 3 pce tool Set also available (HD Press Stud Setter)
 
How to Use:
 
Press stud pieces fit into the round disc-like tool piece
Punch a hole using your mini hole punch set, where you wish to insert press studd
Position matching pieces and secure with the tool fastener using a mallet.  
When using a mallet to hammer on leather hand tools, it extends the life of tools in general