Cone Standard 1/2 Bag of 500 studs. Save money when buying in bulk.

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 wear.

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

Bag of 500 Studs