Tool surface grinder grinding wheels 7x1/2 x1-1/4

5 pcs.- New Bay State brand Ceramic grain surface grinding wheels. Size: 7 x 1/2 x 1-1/4. Specification: 97AA60-J8-V49. These wheels are made with premium ceramic and monocrystline aluminum oxide and will outlast 3-5 regular grain wheels. They cut cooler and cuts a wide range of steels. The ceramic and mono. combonation performs exceptionally well grinding hard alloys and tool steels. Catalog price is over $40.00 per wheel. Wheels are a 60 grit and a "J" hardness. Packed in the original factory box. ... Read More