The second is the nose guide that indicates the cut line and the third is the ability to view inside the cover

you should see a mist coming out of the end of the tool

and Ceramic Tile

Angle Grinder features a 9 Amp motor that provides 12

FujiStar 4" Velcro Backed Sand Paper 600 Grit 2060 The second is the noseFuji Star Waterproof Silicone Carbide Velcro Backed Abrasive Paper Discs (Latex Impregnated) are for primary and sealer sanding with an orbital sander. Fuji Star waterproof abrasives are the leading choice of professionals when it comes to wet and dry sanding. Our abrasives are known for quality, and made in Japan. Our paper lasts longer, cuts faster and is cost effective.