The TE Connectivity / Raychem 202F221-51/164-0 part, also known as part number 057837-000, is a high-quality heat shrink tubing designed to provide reliable insulation, protection, and strain relief for wires and cables. This versatile tubing is part of the renowned Raychem 202F series, known for its exceptional performance in demanding environments. Made from durable, flame-retardant polyolefin, this product offers excellent electrical insulation, mechanical protection, and resistance to abrasion, chemicals, and fluids. It has a shrink ratio of 2:1, allowing it to snugly conform to a wide range of substrate shapes and sizes. The thin-wall design ensures a lightweight yet robust solution for all your wire and cable management needs.Ideal for use in electronics, automotive, aerospace, and industrial applications, this Raychem heat shrink tubing performs reliably even in extreme temperatures and challenging conditions. Its flexibility and ease of installation make it a preferred choice for professionals seeking long-lasting protection and organization for their wiring projects.