Technology: silicone precision casting, with magnetic work. EASY INSTALLATION - The M4 swivel buckle is easy to use and remove, requiring only a simple twist to increase or decrease tension, keeping the cable looking tight and neat! It ensures a simple and sturdy installation M4 twist buckle is used with 3.0mm stainless steel cable. Note: M4 does not mean 4MM, M4 is the type. The single load bearing is 35kg or 77.16lbs, which can meet the needs of different scenarios. It is suitable for tightening ropes and adjusting the elastic effect, suitable for ropes such as lanyards. Please read the size pictures before purchasing to ensure the item meets your needs. Common uses for swivel buckles - Great for boat rigging, tightening cable ropes, shade hardware kits, hanging commercial grade string lights, clothesline tensioners, tent installations, stainless steel cable railing kits. Additionally, it can be used to connect and create pendant fence posts, secure seats, straighten trees, doors for hunting lodges or homes, and more. Open toe 150mm or 5.91", closed total 108mm or 4.25" Loosen after installation and correction. Connect a string of lights in the backyard and tighten the clothes wire. Increase or decrease tension with a simple torque. Cables are straightened and tightened, chains straightened and tightened. Use the lead screw to expand and contract to adjust the tightness of the wire rope Listing: 5x Screw Tightener Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.