Irwin Saw The 10507669 from Irwin has eight teeth per inch and is ideal for fine and fast cutting, giving a universal cut. The steel 500mm double ground handsaw is used with a push & pull cut direction, cutting both ways. The double ground teeth make short work all sawing jobs. It comes with an ergonomically designed, 2 component 2-touch grip with finger rest for ease of use. With a 45° & 90° angle guide built in, you can easily cut a specific angle with complete accuracy. Features: Proven handle design for comfort and reliable cutting For multiple jobs and materials C75 steel blade for stability and maximum power transfer Double ground cuts onforward and back stroke Specification: Blade Type: Universal double ground Teeth per Inch: 8 Length: 500mm / 20 Inch