Shank mounted tungsten carbide burrs are double cut for fine work
Double spurs scribe the outside of the hole which reduces "break out"
use for vacuuming your garage
aluminum oxide metal cutting wheel
2-1/2" & 2-9/16"
Double Bubble Foil Reflective Insulation, 48-In. Category_Camping Shank mounted tungsten carbide burrs48" x 50', standard edge double bubble foil both sides reflective insulation, 5 16" thick with two outer layers of aluminum foil, each foil layer is bonded to a tough layer of polyethylene for strength, reflects up to 97% of radiant heat, r value up to 14. 3 depending upon application, excellent vapor barrier for below grade, can be used for crawl space, duct insulation, side walls, metal buildings, basement walls & attics, product has been evaluated