Features The single oval copper tube kit is mixed with 7 different sizes. Made of high‑quality copper material, the product is sturdy and anti-corrosive. Easy to install, the copper tube connecting kits keep compressing without cracking. The product has a wide range of applications, such as transmitters, voltage regulators. The kits is suitable for various generators, communication cables, etc. and wire connection in power distribution equipment. Specification: Item Type: Copper tube connector kits Color: Gold Material: Copper Application: It has a wide range of applications, such as transmitters, voltage regulators, and various generators, communication cables, etc.! Suitable for wire connection in power distribution equipment Products Include: 30 x 6x6.5x12mm 30 x 5x5.5x12mm 50 x 1.7x2.1x12mm 50 x 2x2.5x12mm 30 x 2.5x3x12mm 30 x 3x3.5x12mm 30 x 4x4.5x12mm Package List 30 x 6x6.5x12mm 30 x 5x5.5x12mm 50 x 1.7x2.1x12mm 50 x 2x2.5x12mm 30 x 2.5x3x12mm 30 x 3x3.5x12mm 30 x 4x4.5x12mm