Rotozip GP8 8 Count 1/8" Guidepoint Zip BitsBefore you cut your way into your next job, take a look at what the pros are using. RotoZip tools, attachments and accessories make up the original spiral saw?äó system, designed to support all kinds of precision cuts and installations. This tool.Rotozip GP8 8 Count 1/8" Guidepoint Zip Bits Features:; Zip bits; Guidepoint series; Cuts through drywall; Designed with a conical point to follow around outlet boxes instead of cutting through them; 1/8" diameter; 8 per card