Description: 【Universal Fit】: Designed to fit 2" Imperial outer diameter tubes, these Fishing Rod Holder Tube Insert Protectors are ideal for a variety of fishing rod holders and accessories 【Material】: Made from rubber, these Boat Yacht Fishing Insert Protectors are built to withstand harsh outdoor conditions, ensuring long term use 【Enhance Protection】: Safe Guard your fishing rods and reels from damage with these protective cap, ensuring your equipment stays in top condition 【Versatile Compatibility】: The Rubber Cap is ideal for use with aluminum or stainless steel rod holders, making them a versatile addition to your fishing gear 【Convenient Set】: Each package includes five rubber cap (2.17inchx1.61inch), providing ample coverage for multiple rod holders or replacements as needed Specification: Designed to fit 2" (50mm or 51mm) Imperial outer diameter tubes Maximum. tube wall thickness 1.5mm Product Size: 5.5cmx4.1cm/2.17inchx1.61inch Package Includes: 5 Fishing Rod Holder Insert Protectors Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!