The “Spool” is designed to keep the load centered on the pin, thus keeping the sling positioned correctly in the shackle bow.
RUD VLBG Ring Bolt, metric fine thread with max length
Product Features: Large WLL range Captive but exchangeable RUD-Bolt with special corrosion protection Corrud-DT The clamping spring achieves noise reduction and keeps the suspension ring in the desired direction; thereby simple hinging of the lifting means is possible...