Features 3 in 1 Jig: This 3 in 1 positioner is powerful for drilling 6mm, 8mm, 10mm pin holes and 15mm cam holes, which is practical. Aluminum Alloy: Aluminum alloy has good hardness and wear resistance, it is not deformed after long term use, and is durable. Self Centering Bit Guide: Self centering drill guides and adjustable right angle tools for precise pinning and maximum joint strength. Complete Accessories: The components in the set are complete, which can help you perfectly complete a series of tasks such as positioning and drilling. Main Application: Self centering drill guides are suitable for making edge to edge, edge to surface and edge to corner seams. Specification: Item Type: Doweling Jig Kit Material: Aluminum alloy, tool steel Color: Blue Use: Woodworking tools Package List:1 x Punch Positioner1 x Punch Positioning Extender1 x Extension Rod6 x Drill Sleeve4 x Hex Wrench3 x Dowel Pin3 x Drill Bit1 x Hole Cutter Head5 x Limit Ring1 x Wrench10 x Set Screw Package List 1 x Punch Positioner 1 x Punch Positioning Extender 1 x Extension Rod 6 x Drill Sleeve 4 x Hex Wrench 3 x Dowel Pin 3 x Drill Bit 1 x Hole Cutter Head 5 x Limit Ring 1 x Wrench 10 x Set Screw