4pcs Heavy Duty Door Lock Installation Kit

  • Contents:2pcs Bi-Metal Hole Saw:1"(25mm)&2-1/8"(54mm)/1pc 7/8"(22mm)Arbor&1pc 3/8" hex shank arbor Adapter
  • For both metal and wood doors.
  • Suitable for all brand of door locks and deadbolts requiring a 2-1/8" face bore and a 1" edge bore.
  • 4/6T variable pitch configuration for a greater cutting speet.


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