T 316 Stainless Steel Cable Hole Protector Sleeves for 1/8 Inch Wire Rope Cable in Wood Posts for Cable Rail Deck (A Pack of 10 Pieces) 316 Marine Grade Quality - Excellent corrosion resistance Hole protector sleeve is used with 1/8" wire rope cable Great long-term investment, Prevents wear of cable hole edges Primarily for double wood post corners or for angled lengths such as stairs and ramps