Features SELF CENTERING: This self centering dowel jig set can be used to accurately locate the center point when stamping wood. VERTICAL PUNCHING: The hole puncher locator ensures excellent vertical hole punching, allowing the board to be better connected. HIGH STRENGTH: The dowel jig and self centering pin device are made of aluminum alloy, with high strength, is sturdy and stable for long term use. RUST PREVENTION: The surfaces of the woodworking dowel drill guide is anodized, making it less prone to rusting. EASY CARRYING: The doweling jig has a compact structure, is easy to carry and store, convenient to use, and provides good hardness. Specification: Item Type: Self Center Dowel Jig Material: Aluminum Alloy Use: Woodworking Package List: 1 x Self Center Dowel Jig 3 x Bushing 2 x Positioning Bolts 2 x Positioning Rod Package List 1 x Self Center Dowel Jig 3 x Bushing 2 x Positioning Bolt 2 x Positioning Rod