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 X2 Elite and Spyder X2 Ultra? What is the thread size is the Spyder Tripod Pro plate? What Datacolor Spyder products can be used with the Spyder Tripod? What is the weight capacity of the Spyder Shelf?