SLICE™ CERAMIC UTILITY REPLACEMENT BLADES, 2-1/2X3/4X3/10 IN., 2-PACK| Razor-sharp Slice ceramic utility blade fits most standard utility knife handles | Each pack contains two (2) rounded-tip ceramic #S5 black Slice ceramic utility blades | Each blade measures approximately 63 x 19 x 0.8 mm and weights 3 gm (2.5 x 0.75 x 0.3 in - 0.1 oz) | 2 double-sided blades per pack | Rounded-tips for added safety | Single blade is equivalent to 20 metal blades | Up to 10x sharper than steel | Safer than traditional metal utility knife blades | Non-conductive, non-magnetic | Never-rusts; chemically inert | Oil-free | Less blade changes = < money + less injuries