Hand lmpulse Sealer Heat Seal Machine- Fs 200This 8" Thermal Impulse Hand Bag Sealer with Built in Cutter is great for light duty poly bags in a 8" width. The hand held 8" heat sealer with cutter is designed for many different light industrial uses. Set timer for bag thickness, hold handle down until light comes on, let cool, slide cutting tab across the tubing or bag and release, forms a tight, secure 1 8" wide seal on polyethylene or polypropylene up to a thickness of 4 mil with no warm up