Starrett STRBTR121014 BTR121014-5 Bi-Metal King Cut Demolition Blade 300mm 10-14 TPI (Pack 5) These Starrett Bi-Metal King Cut Reciprocating Blades are thicker specifically designed for heavy-duty demolition emergency extrication and other demanding applications. The teeth have a super aggressive pitch set designed to rip through just about anything. Blades are available in a straight and tapered cut format. These Starrett Bi-Metal King Cut Reciprocating Blades have the following specification: ID: BTR121014-5 Application: Rescue & Demolition Application Material Thickness: 4-10mm (5/32-3/8in) Dimensions: 300 x 19 x 1.30mm (12 x 3/4 x 0.050in) TPI: 10-14 Blade Shape: Tapered Pack: Plastic Tube Pack Quantity: 5