DIY Woodworking Tools Set Log Tenon Hole Punch Combo Triple Punch Locator Woodworking Hole Saw Woodworking Hole Opener Tool Product Feature: Please check our instructional video above(open in computer). You can also check more instructional videos in our Youtube Channel.(Search for "Ruby Liu Woodworking Store") 1) Door Making with Dowelling Jig 2) Dowelling Jig Instructions - Making a Simple Frame 3) Dowelling Jig Instructions - Butt Joint Specifications: Product Name: log tenon punch / punch triple connections There are locking function, Equidistant extension rod functions, gullets functions. Type: Wrenches,Drills,Combination,Knives,Pliers Use adjustment Size range: log tenon: 10-150mm; triple: 25-40mm Body Material: Aluminum 6061 Surface treatment: anodizing Color: blue Log tenon drill bushing: 6/8 / 10mm (5PCS) Log tenon drill sleeve fixed template: 3PCS Triple eccentric bit holder: 15mm eccentric drill bushing Size adjustment nut: Brass nut Digital scale: Laser engraving Packing included: 1 set Now buy one dowelling jig kit set, you can get one set of Drill Bits and Stops(1pcs 6mm, 8mm, 10mm, 12mm and 15mm each) and some Dowel Pins free of charge Product Display: