After initial use, the teeth develop a groove in the thin center of backing material. As a result, the cutting stroke produces dual chips that are more easily removed from the cut. The reciprocating saw blade has 10-14 TPI. This reciprocating saw blade is made of bi-metal with a finish. The overall length measures 9 in. Packaged 5 per pack. WARNING: This product can expose you to chemicals including Cobalt, which is known to the State of California to cause cancer. For more information go to - www.p65warnings.ca.gov Heavy duty with bi-metal construction, they cut through a variety of materials in demanding applications. Starrett King Cut fire, rescue and demolition reciprocating blades. Starrett BR91014-20 - King Cut 9'' x 3/4 x .050 x 10-14, Bi-Metal, 20 Buy Starrett King Cut Fire, Rescue & Demolition Reciprocating Saw Blades at Mutual Screw & Supply They have bright fluorescent yellow paint and high-contrast marking for visibility. Bi-metal unique saw technology, a patented Starrett process, joins two strips of high speed steel to a backing steel utilizing solid-state diffusion bonding (rather than traditional weld or laser bonding) for 170 percent more weld contact area, to reduce fracture and breakage. Measures 9-inches length by 3/4-inches width by 0., 050-inches thickness. 10-14 TPI Heavy Duty Blade Starrett BR121014-2 Bi-Metal Unique Straight King Cut Fire, Rescue And Demolition Reciprocating Saw Blade, 0.050" Thick, 10-14 TPI, 12" Length X 3/4" Width, Fluorescent Yellow (Pack Of 2 Heavy Duty Demolition Blade King Cut fire, rescue and demolition reciprocating blades
