Heavy Duty Press Stud Starter Kit 
Heavy Duty Style 15mm
Incl:
Hand Tool - 3pce
50pce Heavy Duty Press Studs 15mm
 
OR
 
3pce Hand Tool - to insert the 15mm Heavy Duty Press Studs
 
Heavy Duty Press studs also available to buy separately
 
Material:
General Tool Steel
 
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