Slice® SPG10518 craft blades are one-sided, and feature a straight edge and rounded tip. They are designed specifically for use in Slice craft knife handles and are ideal for for precision work and scraping. As with all Slice blades, these blades are non-magnetic, chemically inert, safe up to 1600 degrees Celsius, and never rust. They offer our proprietary finger-friendly® grind, which cuts materials effectively but is safe to the touch.