This cable railing hardware kit includes 20pcs lag screw swage turnbuckle tensioner and 20pcs swage lag screw stud with lag screw and 2pcs drill bit. All units are made by T316 marine grade stainless steel, which has maximum durability, strength, and weather protection. Lag Screw Turnbuckle Size: Overall Length is about 20cm,fit 1/8inch cable Swage Lag screw Size: Overall Length is 10cm, Hole Size is 1/8inch, fit 1/8inch cable. This cable railing kit is perfect for installing your cable rails on the deck, no matter horizontally or vertically. Name:Cable Deck Railing Kit Material:316 Stainless Steel Color:silver Quantity:20 Pairs Packaging includes: 20 x Lag Screw Turnbuckle 20 x Swage Lag screw 2 x Drill Bit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.