The Nytro Steady Duo Butt Rest is designed to hold rods with varying handle diameters. The duo-level allows the rod to be loosely positioned in the top or pushed down for extra grip. The soft grip material allows the rod to be held firmly in place when needed, while still allowing quick release when you get a bite or when you need to cast again. Ideal for use when fishing on higher banks where your rod points downwards and you need extra grip.