All our winchlines are professionally spliced with Samson's "Class II" splicing method. Tube thimble is made from heavy gauge steel and has a powder coated finish. Stainless steel thimble is heavy duty type, large sides cover line to minimize damage. Our preferred options is the Winch Safety Thimble™, the large diameter Safety Thimble will not pull through your fairlead, the lightweight aluminum alloy makes it safe and easy to use. ••• Click here for instructions on how to attach the Viking Winch Lines to your drum. •••