ArkHardware LAG & Swage Stud Turnbuckle For 1/8" Cable Railing Rigging Hand Swage Deck Stairs Stainless Steel Type 316 Commercial Marine Grade 1 Set Order = 1 Lag & Swage Stud Turnbuckle + 1 Lag Stud Turnbuckle: A(Cable)= 1/8".B=3-3/4" UNC THREAD. L=7-3/4". Screws right into wood post without drilling holes finishing up nice & clean on the post. Lag Stud: A(cable; hole)=1/8"; B= UNC THREAD LENGTH=1-7/8"; L=OVERALL LENGTH=4". THREAD DIAMETER=1/4". Hand Swage.Require hand crimp Swage tool:http://www.amazon.com/dp/B00UMNL90K 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.