WINDOW HARDWARE SWEEP LATCHES from Blaine Window Hardware. Thousands of hardware parts for repair or replacement. TRUTH HARDWARE. Complete line of WINDOW AND DOOR HARDWARE parts. HANDLES, WINDOW OPERATORS, TRACK, CRANK HANDLES, LOCKS, LATCHES, VENT ARMS, PUSH BARS, BALANCES. More than 40,000 parts for WINDOW and DOOR repair or replacement. Custom Manufacturing. Special Order. Research Department. FREE CATALOG. Call Blaine Window Hardware.