Feature:1. Railing Screw: Designed for wooden pole, suits for cables with 1/8in outer diameter, also has 4in rear rod length and 2in thread length.2. Handed Thread: Left and right handed thread design enables easy tightness adjustment, and the firm railing needs no extra rotating buckle.3. Simpler Works: The installation is very safe, simple and beautiful, but hydraulic crimp is required to connect cable and rear long rod.4. Good Material: Adopting high quality 316 stainless steel, which is very sturdy with corrosion, ideal for both indoor and outdoor using.5. Accessory Kit: Including 30pcs left thread swage lag screw, 30pcs right thread swage lag screw, 1pc wrench and 1pc drill bit, very useful.Specification:Item Type: Swage Lag ScrewMaterial: Stainless Steel 316Application: Suitable for installing DIY cable railing system. Thread Specification: 1/8inPackage Details: 30 x Left Thread Swage Lag Screw30 x Right Thread Swage Lag Screw1 x Wrench1 x Drill Bit.Package List:30 x Left Thread Swage Lag Screw30 x Right Thread Swage Lag Screw1 x Wrench1 x Drill BitNote:Before screwing the cable into the wooden pole, make sure that the connection between the cable and the screw is firm.