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、Made of premium diamond material with high hardness, in use 2、Suitable for opening and coring of marble stone, ceramic brick and wall material 3、Strong opening performance, fast drilling speed, smooth drilling without seamless 4、Professional and practical design, beautiful appearance, easy to carry and use 5、This Brazed Drilling Core Bit is mainly used for Angle grinder Specification: Features: 1. Made of premium diamond material with high hardness, in use 2. Suitable for opening and coring of marble stone, ceramic brick and wall material 3. Strong opening performance, fast drilling speed, smooth drilling without seamless 4. Professional and practical design, beautiful appearance, easy to carry and use 5. This Brazed Drilling Core Bit is mainly used for Angle grinder Specification: Condition: 100% Brand New Item Type: Brazed Drilling Core Material: Diamond Color: Red Applicable Equipment: Angle Grinder Scope of Use: Marble, Ceramic Tiles, Walls, etc. Size: 6mm / 0.2in, 10mm / 0.4in (optional) Package List: 1 * Angle Grinder Hole Saw Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List