LAZER RECEPTACLE BLADE - The Lenox¨ advantage: Longer lasting: Lasts 45% longer than the leading competitors blade. Greater strength and durability. Unique blade geomerty reinforces traditional weak areas, creating stronger and more durable blades. Shatter resistant. Bi-Metal Blades bend and resist breaking and extended blade life. Optimized performance. Thicker (.042) and wider (1) blades minimize whipping for straighter and smoother cuts.