[Thickened Wear-resistant Lifting Ring]: The lifting ring is made of high wear-resistant materials, which can be used for a longer time and is sturdy without breaking
[Precision Engineering Large nut]: fine firmware, safe and sturdy, strong load-bearing capacity
[Spring Firmware]: Lock the steel plate in a timely manner, effectively improving safety
[Alloy Steel Pressure Ball]: Firm clamping force, wear-resistant and non slip