Black-anodised fitting for 16 mm metal/acrylic tubes This fitting is a compression fitting which serves as an attachment to a tube with a 16 mm OD to connect the hard tube to a G1/4\" connector. PHANTEKS hard tube fittings are made of nickel-plated brass with ring caps made from black anodised aluminium and come with premium rubber seals. Technical Details: Material: Aluminium, brassConnectors: Thread: G1/4\"Designed for: 16 mm outer diameterThis fitting is a compression fitting, Specification: - Model: PH-HTC1210 - Product Type: Compression fitting - Screw Thread: G1/4 - Thread Length: 5 mm - Supported Tube Size: Hard Tubing OD 16mm - Compatibility Tube: PETG, Acrylic, Brass, Stainless Steel, Copper - Materials Barb: Brass - Ring Cap: Aluminum - O-ring: Viton - Outer Diameter: 25mm - Installed Height: 14 mm - Net Weight: 21.2g - Gross Weight: 27g - Package Dimension: 46 x 46 x 26 mm (W x H x D)