Woodhaven 8575 1-1/8" x 2-1/4" Lockset Jig 1-1/8" x 2-1/4" Lockset Jig Fastest, easiest, least expensive and most accurate way to cut a lockset plate mortise. Clamps to work so there's no nail holes or other unsightly blemishes. Jig attaches to a 3/4" wood fence you supply with the included hardware. Made of 10mm (.393) thick phenolic for heavy duty use, measures 3-5/8" x 5-5/8". Uses a bearing guided bit (our 8500 - sold separetly), or bushing & bit combination (5030K & 13416 - sold separately), to follow the jig for perfect mortises. Router & bit not included. Lifetime guarantee against defects in material or workmanship. Made in the USA!