Features High Quality 5V 1-Channel Relay Module: This module offers high-quality performance with a 5V power supply and 1-channel bistable self-locking relay, ensuring reliable and efficient . Convenient Trigger Control: Easily activate the relay by clicking the trigger port to pull it in and hold, and click again to disconnect, providing convenient and intuitive control. and Long Service Life: Constructed with high-quality materials, this relay module is and has a long service life, ensuring lasting reliability for your applications. High Accuracy and Strong Stability: With high accuracy and strong stability, this relay module is easy to install and use, delivering and reliable performance for various applications. Safe Low Pulse Trigger: The trigger mode is a low pulse trigger, providing a more convenient and safer for your peace of mind. Features: 1、The main body is made of aluminum alloy, and the of the drill bit is chrome？plated. After heat treatment, it has high hardness and strength. 2、The clamp can be adjusted by a knob to suit the drilling s of wood boards of different thicknesses. 3、Equipped with drill bit and woodworking hole opener, can make holes of different sizes. 4、Package including all the assorted accessories, and everything you need is provided. 5、Good wear resistance woodworking locator keeps long service life, which adopts accurancy crafts. Specification: Item Type: Doweling Jig Drilling Guide Kit Material: Aluminum Alloy Color: Blue Thickness of Clamping Template: Approx. 10-45mm/0.4-1.8in Adjustable Scale of Eccentric Wheel: Approx. 15-35mm/0.6-1.4in Adjustable Scale on Threaded Rod: Approx. 10-30mm/0.4-1.18in Oblique Hole Device Size: Approx. 78x50x31mm/3.1x2x1.22in Screw Hole Size: Approx. 8.5mm/0.3in Fixture Size: Approx. 63x50x6m/2.5x2x2.5in Drill Bit Length: Approx. 170mm/6.7in Limit Ring Diameter: Approx. 19mm/0.7in Package List: 1 x Punch Locator 3 x Drill Bit 3 x Limit Ring (10mm 10mm 8mm) 1 x Guide Sleeve 10mm 4 x Screw 1 x Hex Wrench 10 x 15mm Eccentric Nut 10 x Embedded Parts 10 x Connecting Rod 20 x 8mm Round Wood Dowel 1 x Half Moon Wrench Package List 1 x Punch Locator 3 x Drill Bit 3 x Limit Ring (10mm 10mm 8mm) 1 x Guide Sleeve 10mm 4 x Screw 1 x Hex Wrench 10 x 15mm Eccentric Nut 10 x Embedded Parts 10 x Connecting Rod 20 x 8mm Round Wood Dowel 1 x Half Moon Wrench