Starrett STRBTR810145 BTR81014-5 Bi-Metal King Cut Demolition Blade 203mm 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: BTR81014-5 Application: Rescue & Demolition Application Material Thickness: 4-10mm (5/32-3/8in) Dimensions: 203 x 25 x 1.60mm (8 x 1 x 0.063in) TPI: 10-14 Blade Shape: Tapered Pack: Plastic Tube Pack Quantity: 5