HIGH STRENGTH NO BREAKThis winch rope tube thimble is easy to install, high strength, not easy to break. Protect the steel rope, cable, etc. WEAR RESISTANT AND CORROSION RESISTANTThis tube thimble is made of 304 stainless steel, wear resistant, and corrosion resistant. EXCELLENT PROTECTIONThis stainless steel tube thimble provides excellent protection against surface abrasion of wire ropes. EASY TO USEThe inner diameter is the diameter of the string that can be crossed. For example, 7mm, the diameter of the string that can be crossed is 7mm at most. USED FORTube thimbles are much stronger than standard thimbles Great outdoor boating accessory for all users.