4-1/2" hd 27 flat 5/8-1140z flap disc

A thicker disc with larger flaps for increased conformability

High cut rate and smooth grinding action

Ideal for a working angle less than 15°

Offers durability and reinforcement

Phenolic backing prevents disc from scratching the workpiece

Produces a consistent finish

They have a 30-40% longer life than standard flap discs