Irwin jack panel saw l490mmwith 10 teeth per inch this 490mm high quality c75 steel blade jack panel saw from irwin is specifically designed for domestic and trade use gives an universal cut the triple ground teeth make short work of the material you need to cut down to size it comes with an ergonomically designed soft grip so you can work for a prolonged period of time with a 45 and 90 angle guide built in you can easily cut a specific angle with complete accuracy