CARBIDE TIPPED HOLE SAW 2-1/8 IN (54MM) PK/1 A cost effective solution for cutting nail imbedded wood, or wood and metal combination, reinforced concrete and fiberglass Leaves high quality surface finish on entry and exit and provides a smooth cut when cutting traditional lathe and plaster Tungsten carbide tipped teeth for outstanding cutting performance and product durability Will cut nail embedded wood or virtually and wood and metal combination and suitable for use in mains and battery operated tools 1-5/8-inches cutting depth