All burs feature a 3/32" shank and are sold in packs of six
Made in Italy with over 40 years of manufacturing expertise
Optics are clear and sharp for bench work that doesn't require premium lab-grade systems
A copper ferrule on the torch end of the adapter provides cushioning for a more secure seal at another key connection point
there is no need to separately flux and position solder—simply place the Redi-Prong and apply heat for a clean
Silver Paste Solders-Extra Easy,Easy, Medium & Hard Engraving Blocks All burs feature a 3/32"Silver Paste Solders from Otto Frei offer four flow point options Extra Easy, Easy, Medium, and Hard giving jewelers and metalsmiths precise control over torch soldering sequences. Each syringe contains approximately 10 pennyweights (10 DWT troy ounce) of silver solder pre mixed with paste flux, making application clean, consistent, and easy to control. The paste extrudes directly from the syringe for accurate placement on your work. This paste silver