Busch Cup Burs Stone Setting Bur Tools 012

6 New Busch Cup Burs

• This is a new set of 6 Busch cup burs
• Long time jewelers favorite
• Made in Germany with a reputation for quality
• These have an Iso of 012
• Each shank measures 3/32" (2.5 mm)
• Each bur is a size 2 and measures approximately 1.2 mm in diameter