Check the listing for details. Master Mechanic DOOR LOCK INSTALLATION KIT Bi-Metal Hole Saws. Condition: New. Listed at 9.99 USD. BRAND NEW - FACTORY SEALED DOOR LOCK INSTALLATION KIT WITH BI-METAL HOLE SAWS MASTER MECHANIC #255411 BY DISSTON INCLUDES FULL MANUFACTURERS WARRANTY ! Master Mechanic Door Lock Installation Kit, Designed For Fast Accurate Installation Of Door Lock Locksets And Deadbolts With Professional Results Every Time, Dual Sided- No Need To Flip Or Re-Position, Simply Position, Tighten And Drill, For Wood Or Metal Doors, Includes 1" & 2-1/8" Bi-Metal Hole Saws And Arbor With Pilot Bit, 2 Sided Drill Guide With Non-Slip Clamp, Adjusts To 1-3/8" Or 1-3/4" Door Thickness, Adjusts To 2-3/8" Or 2-3/4" Backset Features: Dual Sided Drill Guide For Wood Or Metal Doors Adjusts To 1-3/8" Or 1-3/4" Door Thickness Adjusts To 2-3/8" Or 2-3/4" Backset Includes 1" & 2-1/8" Bi-Metal Hole Saws Includes Arbor With Pilot Bit A. R. Pennycuff, Inc. - GrandCloseouts210 Burkesville Rd Albany, KY 42602