GE Lighting T8 UltraMax Proline Electronic Ballast, Residential Commercial Use, 120 277 Volt, Instant Start, High Performance, Compatible with F32T8 WM and F17T8 Normal Ballast Factor For (4) 32 Inch T8 bee 760cs Black Heat Shrink Tubes B0CJTSDJBT 760cs Black Heat Shrink Tubes 730Pcs Black Heat Shrink Tubes 570Pcs Black Heat Shrink Tubes 114pcs Heat Shrink Tubes 359pcs Black Heat Shrink Tubes 360pcs Heat Shrink Tubes Shrinkage Ratio 2:1 2:1 2:1 3:1 3:1 3:1 Quantity 760 730 570 114 359 360 Adhesive Liner ✓ ✓ ✓ Color Black Black Black White Black Black + Red Diameter 1 2 3 4 5 6 7 8 9 10 11 12mm 1 2 3 4 5 6 8 10mm 1 2 3 4 5 6 8 10mm 3 8" Up for sale 12pcs ER20(1 8" 1 2") Spring Collet Set for CNC milling Lathe Tool & Workholding Engraving machine meaning more lamps would be needed to achieve a certain foot candle level in the same area Ballast factor rating of Normal