Extra Long 1.7M Chain Allows For Longer Fence Strains. Extra Heavy Duty Construction. Swivel Yoke Incorporated On One End Of Chain Allowing Chain Twist To Be Eliminated. **WARNING: Do Not Exceed Recommended Safe Operating Load Of 370kg Force (800 lbs). Never Extend Leverage To The Handle. Always Wear Eye Protection. Lubricate Moving Parts To Maximise Operational Life.