The 5" hole saw was really powerful and sharp. Easily cuts through fiberglass. It was packaged very well and came with the box. The delivery was very fast and the price is very reasonable.
Pros
WIDE APPLICATION: Our bi-metal hole saw is ideal for cutting wood, plywood, plastic, drywall, soft plaster, acrylic sheets and thin metal. In addition to cutting holes for lamps or recessed lights , the hole saw comes in handy for home projects when working with ducts, ceiling lights, speakers, etc.