Mirka 91402 Dust Free Hand Sanding Block - 2-3/4" x 5" blum There are 2 knives in

There are 2 knives in 1-pack

What's improved with the new model over the previous model of this sander

Capable of crosscuts and rips

Large adjustable shatter resistant plastic eye shields

The 180mm long Japanese-pattern blade is suitable for dovetail

Mirka 91402 Dust Free Hand Sanding Block - 2-3/4" x 5" blum There are 2 knives inMirka Hand Sanding Blocks are specially designed for sanding by hand in combination with Mirkas revolutionary Abranet sanding products, although they can also be used with other products that attach via Velcro. To ensure dust free sanding it simply needs to be connected by hose to a dust extraction system.