The OLFA KB4-F/5 Chisel Art Blade is the perfect tool for cutting precise lines. The precision knife features a high carbon steel blade that can be used with chisels and scrapers. This 5/16 in. blade has an overall length of 1 13/32 in. It comes with a silver finish, which gives it a sleek look. If you are looking for precision tools to help you work more efficiently, this OLFA Chisel Art Blade is the one to get.