Do4U Set of 10 Outdoor Patio Wicker Furniture Alignment Sofa Rattan Chair Sofa Fasteners Clip Sectional Connector - non slip (Small(1.74 inch)) Please MUST MUST measure your sofa bottom tubes distance as picture before buying. A set of 10 Fastener / Connector. 2 sofa sectionals need 2 pcs of fasteners. this type of connector is used for clipping two tubes with width 1.74 inches(=4.4 cm) totally. Prevent sectional wicker furniture sofa from moving. Made from strong all-weather durable plastic. Please do measurements before purchase. We have 3 types you could choose. Different types for different tubes.