Irwin jack panel saw l500mmwith eight teeth per inch this 500mm high quality c75 steel blade jack panel saw from irwin is ideal for general purpose use gives an universal cut and is used with a push and pull cut direction the triple ground teeth make short work of the material you need to cut down to size it comes with an ergonomically designed protouch 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