1/2 Standard Pyramid Studs Black Bag of 100. These are the most common pyramid studs used on jackets, belts, and bracelets. These studs have been plated black.

Average studding calculations:
Jacket back - 400 to 600
Collar - 50 to 100
Jacket sleeve - 400 to 700
Jacket front - 300 to 500 per side
Belt 2 row - 100 to 200
Belt 3 row - 200 to 300
Note: these are average calculations yours could very depending on how tight you space them and what size you ware.

Base- Steel
Finish- Black
Diameter- 1/2 inch
Height- 1/4 inch

Bag of 100 studs