Parts List: 1×Dowel Drill Guide 3×Drill Bits (One Each for 6, 8, and 10 mm) 3×Limiting Rings (One Each for 6, 8, and 10 mm) 1×Hexagonal Wrench 30×Wood Dowel Pins (10 Each for 6, 8, and 10 mm) Highlight description: [Suitable for Wood Tenon Joints] This self centering doweling jig is more suitable for making different wood tenon joints. It is easier, straighter and more accurate drilling into wood materials, achieving simple and convenient precision drilling [Superior Material] Made of high quality plastic and metal materials, it is used to create precise fitting connections in glued laminated wood, solid wood, particleboard, etc. This allows users to produce E, L or T joints or pin-reinforced miter joints [Easy to Use] This dowel drill guide is easy to use and suitable for drilling straight holes. It has 3/3.3/4/4.2/5/6/6.8/8/10/12 mm hole diameter. Different sizes of holes can be designed according to various drilling needs [For Smooth and Awkward Surface] Drill and pin guide has parallel fence and drill guide. It is suitable for corner, angle, tee, and butt joints. With rubber anti-slip protection, it is suitable for smooth and awkward surfaces. Suitable for standard dowel sizes of 6, 8 and 10 mm [Widely Uses] This straight hole drilling guide is suitable for doing the splicing work of wooden boards of some woodworking DIY projects. It can be used for making closet shelves that require flat connections, making some shelves in the garage, cabinets, tables, breakfast tables, blinds, repair doors accidentally damaged by children, making floating shelves, install railings, etc Detailed description: Description: This dowel drill guide is suitable for making different wood tenon joints. It can be used for drilling straight holes and provides 3/3.3/4/4.2/5/6/6.8/8/10/12 mm hole diameter to meet different needs. It is ideal for corner, angle, tee, and butt joints. Feature: Straight Hole Drilling: Our drilling hole jig is suitable for drilling straight holes. It is easy to use and is suitable for smooth and awkward surfaces. Woodworking Tool: This is a practical woodworking tool for some woodworking DIY projects. It is straight and precise to drill into wood materials. Specification: Product Name: Dowel Drill Guide Material: Plastic + Metal Size: 20.5×15cm; Head length: 17cm Aperture: 3/3.3/4/4.2/5/6/6.8/8/10/12 mm Color: Black Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. [Suitable for Wood Tenon Joints] This self centering doweling jig is more suitable for making different wood tenon joints. It is easier, straighter and more accurate drilling into wood materials, achieving simple and convenient precision drilling [Superior Material] Made of high quality plastic and metal materials, it is used to create precise fitting connections in glued laminated wood, solid wood, particleboard, etc. This allows users to produce E, L or T joints or pin-reinforced miter joints [Easy to Use] This dowel drill guide is easy to use and suitable for drilling straight holes. It has 3/3.3/4/4.2/5/6/6.8/8/10/12 mm hole diameter. Different sizes of holes can be designed according to various drilling needs [For Smooth and Awkward Surface] Drill and pin guide has parallel fence and drill guide. It is suitable for corner, angle, tee, and butt joints. With rubber anti-slip protection, it is suitable for smooth and awkward surfaces. Suitable for standard dowel sizes of 6, 8 and 10 mm [Widely Uses] This straight hole drilling guide is suitable for doing the splicing work of wooden boards of some woodworking DIY projects. It can be used for making closet shelves that require flat connections, making some shelves in the garage, cabinets, tables, breakfast tables, blinds, repair doors accidentally damaged by children, making floating shelves, install railings, etc