144pc Number 2/0 Crocodile Jeweler's Saw Blades. 56 teeth/inch. Teeth are uniformed, angled, and straight. Made of the finest steel, by the leading manufacturer. Crocodiles are round backed with precisely milled teeth for accuracy and ease of cutting. Combined with with perfect temper, Crocodile blades will perform up to your most demanding requirements. Made in Switzerland. These are similar to X-ACTO X752, which have been discontinued by X-ACTO.