METRONIC 8 inch Bag Sealer, Black Impulse Heat Sealer for Plastic Bags, Poly Bag Sealing Machine with Repair Kit. Clean, Crisp and Fast Sealing Machine Black 8 inch is up for auction in Office Products. The current bid is $14.00, 65% below the $39.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.