EJOT drill bit is made for use with structural steel or wood substructures. Special polished finish to ensure high drilling capacity in case of low drilling pressure. Insensitive to breaking. This listing is for each. Technical Specification Item Hole Saw For Use With Composition or Asphalt Shingle Roofs Height 1.25 Width 8.00 Depth 1.25 Weight 0.50 lb. Material Stainless Steel

• EJOT drill bit is made for use with structural steel or wood substructures

EJOT drill bit is made for use with structural steel or wood substructuresEjot