Includes 100mm wide dual-scrape, carbon tool steel blade BS for maximum coverage and speed - use either sharp side or rough-edged side, depending on the job. Also fits flexible BSF blades (sold separately). Easy, tool-free blade change. Handy "One-thumb" screw allows for extra blade tightening with a coin or screwdriver. X-design 600mm-long professional heavy-duty scraper comes equipped with the 100mm-wide x 0.8mm-thick blade. No tools are required for blade replacement. The 0.5mm-thick BS, flexible BSF and standard LB blade fit as well. Suggested uses : floor scraping, cleaning walls, cleaning glass panels, wallcovering, and floorcovering.