Prices subject to change without notice © 1971-2010 w.d. armstrong corp. 83 FORMS & HOLDERS • FURNACE TOOL • Size 5½ X 8½ • Triplicate Copies • Hard Third Copy for Filing • Security Agreement • Numbered Invoices 555 SERVICE INVOICE THE MOST POPULAR SERVICE INVOICE ON THE MARKET. PACKAGED 500 PER CARTON ALUMINUM FORM HOLDER Part No. Form Size FH-555 for 5½" x 8½" FH-1010 for 8½" x 12" Used by most O.E.M.'s for in-warranty service 6 PART 356 NARDA FORM PACKAGE OF 100 • Size 5½ X 8½ • 50 Triplicates Per Book • 13 Lines for Parts • Numbered Invoices • Triplicate 666 SERVICE INVOICE • Size 4 x 9½ • 50 Duplicates Per Book • Numbered Invoices • 17 Lines for Listing Parts • Duplicate Copies 999 SERVICE INVOICE THE OLD SWITCHEROO A device that will depress furnace or air handler door switches. It’s heavy duty enhanced super magnet will easily depress any switch, and it’s extension wings can easily reach any pop out switch  from  adjacent  metal  surfaces.  Eliminates  the  need  for tape  that  is  sometimes  difficult  to  attach  to  dusty  and/or  dirty surfaces. FF75 The Old Switcheroo