Package: 10 pieces of sturdy and durable T-shaped connectors. Easy installation. Suitable for drip irrigation fittings for pipes with an inner diameter of 1/2 inch and an outer diameter of 0.6-0.63 inches (16 mm). Easy to install: no glue, tools, or materials required. Simply push the pipe firmly onto the barb and then tighten the nut. The screw cap increases the pipe's airtight seal and prevents leakage. Durable material: the barb coupling for drip irrigation is made of environmentally friendly, age-resistant plastic. It is sturdy and durable. Wide range of applications: ideal for use with raised beds, residential, agricultural, greenhouse, and farm irrigation applications. Product description: Universal accessories for drip irrigation tape, compatible with 16 mm to 17 mm pipe sprinkler systems. Allows for the creation of a customized design for your planting area. High-quality, UV-resistant materials: The drip irrigation elbows are mainly made of plastic, which makes them safe and durable. Leak-proof closure design: The coupling connector with end beams and a twist lock allows you to easily push the pipe firmly into the end without glue or other tools to complete a secure connection. The twist lock also provides an extra grip on the pipe. Please allow for manual measurement errors and check the size carefully before purchasing. Specifications: Material: Plastic; Color: Black; Compatibility: Suitable for 16-17 mm drip hose; Working pressure: Up to 30 psi; Package contents: 10 pcs drip tube connectors