ArkHardware Protective protector Sleeve for 1/8" 5/32" 3/16" Cable Railing Rigging Hardware Deck Stairs Post Stainless Steel Type 316 Marine Grade-50 Pieces ArkHardware Protective protector Sleeve for 1/8" 5/32" 3/16" Cable Stainless Steel T 316 Commercial Marine Grade-50 PIECES A(Inner Diameter)=0.21" . B(Outer Diameter)=0.275 . L=0.78" (3/4"). C= 0.50"(1/2") Overall Length of Sleeve = 3/4" . Flange Diameter = 1/2", Required Hole= 1/4" Work for 1/8" 5/32" 3/16' cable. Used on metal or wood railing pickets.PREVENT CABLE CUT INTO THE WOOD POST. Stainless Steel Type 316 Commercial Marine Grade excellent for Indoor and Outdoor. Superior strength & rust resistance over grade 304, Galvanized and Cast Iron. Strong and durable.