Features 1、The heat shrink butt connector is safe, waterproof and stable, practical and durable for use. 2、Simple structure, easy to install and remove, wide range of application, can help you a lot in professional work. 3、The contact part is made of high quality material which ensures stable performance. 4、Fine workmanship, light weight and in small size, equipped with box for easy storage, considerate design. 5、Multiple colors of heat shrink butt connectors are available for use, meet your different needs. Specification Condition: 100% Brand New Item Type: Heat Shrink Butt Connector Material: Polyethylene Features: Waterproof Black Heat Shrink Tube Size: Approx. 3 x 20mm / 0.1 x 0.8in Package List 200 x Black Heat Shrink Tube 3 x 20mm 35 x Red Heat Shrink Butt Connector 22-18AWG (0.5-0.1 Square Millimeter) 25 x White Heat Shrink Butt Connector 26-24AWG (0.25-0.34 Square Millimeter) 30 x Blue Heat Shrink Butt Connector 16-14AWG (1.5-2.5 Square Millimeter) 10 x Yellow Heat Shrink Butt Connector 12-10AWG (4.0-6.0 Square Millimeter)