Schlage M204-198 Boring Jig for Nd and AL Series Locks, Varies Metal - Amazon.com
Porter Cable cylindrical lock boring kit - tools - by owner - sale - craigslist
MachineryMax - Heavy Machinery Auctions Marketplace
Porta Cable Lock-Boring Jig in Case | www.M37Auction.com
Drill Guide for Assa, Arrow, Corbin, Schlage (and Other Brands) Grade 1 Cylindrical Lock - MBA USA, Inc.
Major Mfg HIT-49 Drillmaster 3 Cylindrical Lock Drill Guide Jig for Use With Hole Saws, Fits Door Widths 1-3/8 to 2-1/2", 2-3/8 or 2-3/4 Backset, Hole Sizes 1-1/2 to 2-1/8", Drill Bits not Included
Killer Jig | PRO-LOK
Schlage M204-198 Boring Jig for AL, ALX and ND Series Lever Locks