The Acu-Cutter 350 is a multi-purpose foam cutter that can cut most foams up to 8-1/2 inches thick. The Acu-Cutter 350 has 2 blades, one stationary and one moving. The blades are made from 1/2 inch (front to back) “V” tooth blade material (10 teeth per inch) to produce a fine reliable cut. The Manufacturer warrants this product for one year against any defects due to faulty material or workmanship. The unit should be returned complete, transportation prepaid, to the seller (or participating authorized distributor) for free replacement or repair. Proof of purchase may be required. This warranty does not apply to accessories, such as blades.