Exactly what You Need: Economical and disposable box cutting blades.Comfortable grip and wider retractable blade. Cutting with easyReady to use,cut and toss or keep some around as a spare utility knife in your garage,tool kit,home and office. 18MM WIDER BLADE - Heavy Duty Ideal for Thicker Cuts. Use for commercial or industrial applications like thicker paper,tape,plastic,cardboard,balsa,bass wood,photos,coupons,cardstock,mat board,foam board,delicate fabrics,crafts,amazon,ups or post office packages. Efficient & Easy:18mm wider blade for deep and easy cutting. Prevent blade slipping with the lock tab. Always keep your blade fresh and sharp by snapping off the blade for a new sharp cutting tip Customer Service :100% brand new and high quality,you will get friendly customer service..