1Environmentally friendly ABS plastic material, each handle is in accordance with the lightweight design, not easy to fatigue after longterm use. 2The bottom of hook and loop fastener design, strong stickiness, not easy to fall off, suitable for various planting velvet net sandpaper. 3At the interface of the hand grinding plate, there is a suction adjustment switch, can be rotated and closed according to work requirements to increase the suction. 4Can be used for wood polishing, building cleaning, have wide applications, easy and convenient to use. 5With stable and excellent performance can be used to replace old or damaged square dust extraction block. Item Type: Square Dust Extraction BlockMaterial: PlasticColor: Black and RedScope of Application: Wood polishing, building cleaning 1 xSquare Dust Extraction Block5 x Sanding Paper