Garelick has a half-century of experience in metal fabrication and upholstery. They produce the highest quality, most innovative products in the marine industry. With a reputation well-known for innovation and craftsmanship, they provide boaters with marine accessories that give them the best value for their dollar year after year. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov Accepts standard boat seats Fits tank or bench tops Durable all metal construction Quick mounting and dismounting Includes 360Adeg swivel Vinyl covered clamps Width adjusts from 8" - 18" (20 - 46cm 6" wide x 6" length (15 x 15cm) swivel