This SECO Tripod Adapter is designed to convert 3-1/2" x 8 threaded tripods for use with instruments or accessories that require a 5/8" x 11 thread. Made from anodized aluminum, it offers a strong, corrosion-resistant solution for adapting between thread sizes.

Weighing 0.70 lb (0.32 kg), it's a lightweight yet durable accessory—perfect for surveyors who need to integrate modern tools with legacy tripods or vice versa.