These 45° Hart Spearhead high speed steel burs are made in the USA. Made of M2 steel, they are specially cut to increase performance, retain sharpness and reduce clogging. They withstand heat buildup, cut faster and last longer than standard jewelers burs. All have 3/32" shanks. Set comes in a convenient wood storage box. Assortment of sizes in 14 piece set.
- 45° Hart high speed steel burs
- 14 piece set
- Come in wood storage box