288 Saw Blades For Ring Sizing & Jewelry Repair. This is a new set of 2 packages of saw blades. Great for novices, hobbyists and using on all metals, wood, plastic, etc. Each package contains 144 saw blades. These are less likely to break and wander when cutting for a straight cut. Each is size 6/0 and measure approximately 5 1/4″ (133.3 mm) longWe work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.