What is the thread size of the threaded rod on the Spyder Shelf? Boris Bergmann July 28, 2021 12:34 The Spyder Shelf comes with a standard 1/4"-20 UNC tripod mount. Related articles How do I decide between a Spyder X Pro, Spyder X2 Elite and Spyder X2 Ultra? What Datacolor Spyder products can be used with the Spyder Tripod? What is the weight capacity of the Spyder Shelf? I purchased the Spyder X Pro to Spyder X Elite software upgrade (serial only) - Where do I find my software serial? Spyder3Pro 4.0.10 Mac