Feature: 1. Durable: The safety lock is made of high strength, wear resistant, and corrosion resistant PC material. The product is sturdy and durable, resistant to deformation, and suitable for industrial power isolation areas. 2. Standard Size: The protective sleeve has a standard bottom mounting hole diameter and is widely suitable for various standard knob switches, suitable for industrial, chemical, electrical, petroleum, coal, and flammable and explosive places. 3. Transparent and Visible: The safety lock is made of high transparency materials, making it easy to achieve sustainable management. After locking, the button switch status is clear at a glance, making it more convenient for daily locking needs. 4. Easy Installation: Simply install the base at the bottom of the emergency stop switch without disassembly, making the operation very convenient. After installation, it can be locked. 5. Strong Adhesion: The industrial adhesive at the bottom of the safety lock can be fixed to the button that needs to be locked for a long time, making it difficult to remove it once installed, making it a habit to prevent misoperation. Specification: Item Type: Round Switch Guard Cover.Material: PC Color: Transparent Package List: 1 x Round Switch Guard Cover1 x Cover1 x Adhesive Piece 1 x Locking Ring