Klein Bi-Metal Hacksaw Blades are 12-Inches long with 24 teeth per inch. The special high-speed steel teeth fused to regular carbon-steel body provide superior cutting and longer life. The blades withstand greater saw tension for less blade flexing . Fits all 12-Inch (30.5 cm) hacksaws Re-closable, heavy-vinyl, seal-tight pouch Box of 10 blades Weight: 8 ounces/pack Made in USA Specifications Teeth Per Inch: 24 Overall Length: 12'' (30.5 cm) Package Quantity: 10 Weight: 7.2 oz (204 g) UPC: 092644314193