ArkHardware 1/4" Jaw & Jaw Turnbuckle Open Body Precision Cast Deck Cable Railing Rigging Hardware Stainless Steel Type 316 Marine Grade 1 Order= 5 PIECES ArkHardware 1/4" Jaw & Jaw Turnbuckle open body PRECISION CAST-DURABLE; HIGHER CORROSIVE RESISTANCE A(Bolt Diameter)=1/4"; B(Turnbuckle Length End to End)=3-9/16";C(Jaw Pin to Jaw Pin)=5-3/8"; D(Pin Diameter)=1/4";E(Jaw Opening)=5/16" Turnbuckle Bodies are UNC Threads.WORKING LOAD LIMIT= 458 LBS. 1Pcs= WT-0.15 LB. END FITTING CAN BE SWITCH AS YOU NEED 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.