utility knife using replaceable blades located by two u-shaped cutouts on their top edges
Standard trapezoid-shaped blades are commonly used in shoemaking, but so are the less common concave and hooked trimming blades.
utility knife using replaceable blades located by two u-shaped cutouts on their top edges
Standard trapezoid-shaped blades are commonly used in shoemaking, but so are the less common concave and hooked trimming blades.