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