Medium Clipped Silver Solder - 1/2 Oz Packs Supra Duplex springs require periodic lubrication

Duplex springs require periodic lubrication using Foredom handpiece lubricant MS10005 (Otto Frei part number 134

and investment scoop

Direct replacement for Kerr part numbers 29478 and 35620

Capable of engraving flat surfaces

350 mm (13-3/4") total length provides ample working surface

Medium Clipped Silver Solder - 1/2 Oz Packs Supra Duplex springs require periodic lubricationSave time at the bench with pre cut medium silver solder, sold in convenient packs weighing approximately 1 2 Troy Ounce (10 DWT). Each piece is cut to a precise . 040" . 040" (1 mm 1 mm) square, so there is no measuring or cutting required before you solder. Medium silver solder flows at approximately 1360F, making it well suited for work that requires a mid range flow temperatureideal when an easy solder would be too low and hard solder is