Hole saw include: Carbon steel hole saw for Wood cuttingBi-metal hole saw for Metal sheet cuttingTungsten carbide gritted hole saw for Masonry works cuttingHSS hole saw for HD metal working.TCT hold saw for Wood, Metal or Masonry workingHollow electric hammer drill for Masonry and Construction works Diamond core bit for Glass hole drillingDiamond segmented core drill for Masonry, Construction or Household works.Single piece with plastic hanging card or color boxSet packed in BMC or Double-blister card, Full slide card, Wooden box, Plastic boxwith paper card, label or color sleeve on.Tap & dies:Made of Alloy steel or high speed steel, size to DIN, BS or ANSI standardSurface polished or TiN coated for pipe outside or inside threadingIn plastic case or BMC with branded label or color boxAny size or size set assorted is acceptable.