RMX4100 RailMount UncutPart #: RMX4100NavPod Protects Your Electronics From Harsh ConditionsNavPod’s mirror polished 316 Stainless Steel RailMount is supplied with adapter bushings to accommodate 1″ or 1.25″ Pedestal Guards.The RMX4100 RailMount is uncut with a usable face of 4.5″W x 4.5″H. The RMX4100 has 1″ or 1.25″ tubing.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.