Description Made of premium PP material, our corner connectors are durable and practical. They are designed to withstand impacts, won't easily crack or break. Perfect to provide a brace on any structure, and to . for constructing items such as greenhouse, grape trellis, sunscreen shed, and so much more. Features -Mouth diameter: 20 mm -Color: Black. -Material: PP. -Size: 6.50X6.50X6.10cm/2.55X2.55X2.40in -The garden stake connectors are suitable for 20mm diameter ofpipes. - Made of premium PP material, our corner connectors are durable and practical - They are designed to withstand impacts, won't easily crack or break - Perfect to provide a brace on any structure, and to - for constructing items such as greenhouse, grape trellis, sunscreen shed, and so much more - Can be both three-way and four-way, depending on your needsPackage list: 10 x Plastic Tube Connector