RAP-114-P2U Includes the Following: Warranty: Manufacturer's, RAM Mounts (National Products Inc.), Limited Life Time Warranty. Color/Material: Black high strength composite. Spline Post Length: 2 inches Manufacturer's Description: The RAP-114-P2U consists of a 2" long spline post, ratchet connector with male teeth and knob. The ratcheting feature allows for the connecting rod holder to tilt forward and back for optimum angles. Compatible with an assortment of RAM spline post bases, the RAP-114-P2U can quickly be removed and repositioned. Compatible Mounts/Holders: 1. Attaches to all RAM rod/tube holders with female groove pattern. 2. Attached to all RAM spline post bases.