Answer
Feb 17, 2021 - 12:00 AM
They are both standard sizes for most speed rail equipment/set ups. 1-1/2" is a bit stronger than the 1-1/4" as you can imagine. However, for standard uses (speed rail camera rigs, lighting overheads, etc) 1-1/4" is usually just fine and tends to have more 3rd party accessories like fittings and adapters. The 1-1/2" speed rail may be in-stock, so please ask us for availability! Otherwise, here is a link to the standard 1-1/4" rails: here
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