Double-ended tools with revolving hardened steel discs for deburring a variety of delicate parts. Feature knurled handles for secure grip. Sold in a set with storage pouch. Made in Switzerland. Disc Diameter of tools: #1- 0.060" and 0.070", #2 - 0.082" and 0.092", #3 - 0.106" and 0.116", #4 - 0.134" and 0.150", #5 - 0.160" and 0.185", #6 - 0.198" and 0.208"