[Quality]: High-quality aluminum alloy 6061(drill guide) and die steel(bushing), high hardness and strength, good wear-resistant and durable to use.

[Range]: Positioning dowel 1/4"(6mm), 5/16"(8mm), 3/8"(10mm)， Adjustable to clamp on different thicknesses of wood boards from 5/8"(7mm) to 2.4"(60mm).

[Design]: The unique design is wavy on both sides. It is not easy to slip. It is a great toolset for both furniture factories and woodworking enthusiasts.

[Application]: It is an ideal tool for mortise and mortise layout and for drilling through fixed alignment pin holes.

[Package Included]:
1 x Self-Centering Dowelling Jig,
1 X 1/4" dowel Pin,
1 X 5/16" dowel Pin,
1 X 3/8" dowel Pin,
3 X 1/4" Drill Sleeve,
3 X 5/16" Drill Sleeve,
3 X 3/8 "Drill Sleeve.