Advantage 4 1/2 x 7/8 Zirconia Flap Wheels 40 Grit 10 Pack Zirconia Flap Discs The Jackson 37 Cap Shield

The Jackson 37 Cap Shield is a grinding headgear for the Jackson Blockhead safety hard hat

These usually sell in stores for $10+ each

They feature an unlined reversed grain palm with a thumb strap and ridgid cuff

(60) 44 lbs

Advantage 4 1/2 x 7/8 Zirconia Flap Wheels 40 Grit 10 Pack Zirconia Flap Discs The Jackson 37 Cap Shield10 Advantage Zirconia Flap Discs that are 4 1 2 inch diameter. The discs are 1 2 inch thick with resin coated paper backing. The 7 8 inch arbor hole has a durable metal outer layer. They are type 27 zirconia flap discs with a 13,300 maximum RPM. ISO 9001 Certified. The 40 grit is considered very coarse for grinding and sanding steel.