Features: The kit includes 10 transparent dual wall heat shrink tubes with dimensions of 5cm length and 0.82cm inner diameter. Offering an impressive heat shrink ratio of 2: 1, these clear tubes ensure a strong, tight fitting seal when heated. Our underground splice kits ensure longevity in challenging environmental conditions with their strong and durable link terminal. Specifications: Color: Underground splice kit: silver Heat shrinks: clear Size: Underground splice connector: about 15 mm in length, about 5.5 mm in outer diameter and 3.9 mm in inner diameter Heat shrinks: 5 cm in length and 0.82cm in inner diameter Package includes: 3 x Underground splice kit 10 x Dual wall heat shrinks Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Convenient Package Combo: this kit incorporates a practical combination of tools; Each sturdy package contains 3 underground splice kits and 10 heat shrink tubes, offering you comprehensive on demand solutions for wire repair and installations Quality Materials: silver underground splice kit contains 3 seamless copper butt connectors; These have a length of 15mm, outer diameter of 5.5mm, and inner diameter of 3.9mm, providing accommodation for #10#12#14 AWG specification wires Professional Repair and Installation Tool: uniquely suitable for submersible pump wire splice kit installation and repair, facilitating an easy, weatherproof, and waterproof solution for wire break repair Easy Installation Process: our straightforward instructions optimize for a simple splicing process; All the user needs is a heat source like a lamp, or electric heating gun for wire heating, thus enabling an effortless DIY experience Efficient Splicing Completion: the flawless sealing process is completed when the tube shrinks to shape and the sealant oozes out of the end, providing an effective and easily verifiable splice