Seco Invar Rod Bipod – Flo Yellow The Seco 5217-20-FLY Invar Rod Bipod is a specialized support system for precision invar rods , designed to provide stable positioning during high-accuracy surveying and measurement applications. Its dedicated head design securely holds rectangular rods, helping maintain alignment and stability in the field. This bipod accommodates rectangular rods with widths between 2.95 and 3.54 inches , offering a secure fit for larger invar-style profiles used in precision workflows. Its durable construction and high-visibility finish make it well-suited for controlled measurement environments where stability is critical. Key Features • Specialized head design for invar and rectangular rods • Fits rod widths from 2.95 to 3.54 inches • Provides stable support for precision measurement work • Durable construction for field reliability • High-visibility flo yellow finish