18' Telescoping Outriggers 1-1/2" DiameterTelescopes to less than 6 feet for bridge clearance, trailering and storage. Designed for universal use with Grand Slams, Sport Slams, Striker Bases, and other brands of mounts that accept 1-1/2" or 1-1/8" butt end diameter outriggers.This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.