VIRTUALLY DUST-FREE: Connect to a vacuum for clean sanding that keeps your home and workspace spotless PRECISION EDGE ACCESS: Block shape lets you sand right into corners and edges that orbital sanders cannot reach SECURE hook & loop GRIP: Holds sanding sheets firmly in place even during extended heavy-use sessions WHEN USED WITH a dust extraction hose and an industrial vacuum, sanding dust is efficiently extracted through 55 dust extraction holes; This not only prevents the abrasive from clogging but also ensures a cleaner and healthier working environment; The dust extraction system is designed exclusively for use with industrial vacuums and is not compatible with conventional household vacuum cleaners INCLUDED IN DELIVERY: 1 x Mirka Handy hand sanding block with suction (80x230 mm). Recommended accessories: Ø 20mm extraction hose for hand blocks (for vacuum connection) and Abranet net abrasives (80x230 mm) in various grit sizes