Continuum AquaBlade Aquarium Scraper - GlassAquaBlade long scrapers feature solid fiberglass handles. Instead of using glues that break down like other scrapers, the AquaBlade handles are v grooved from the side and inserted into the head of the scraper during the injection molding process. Under thousands of pounds of pressure the handle is fused to the head becoming a part of the molded piece. The AquaBlade is injected molded as a solid piece of plastic which keeps water from entering the