1. 8.5mm hole We get the hole size by doing experiments for many times. The lock shackle will perfectly fit the hole. 2. Stamping by high thickness Aluminum Alloy Thicker lock hook will not be easily broken by man. Precise stamping crafts can keep the steel inner structure away from being broken. 3. Engraving LOGO with laser. Use Professional marking machine to engrave the product info or your company logo you need.
Product Usage
Support many workers maintain the plugs at the same time Support many workers maintain the valves at the same time Support many workers maintain the ball valves at the same time