Heavy-duty, non-corrosive, black plastic. Includes adjustable-height crossbar and two retaining bolts. Meets ABYC Standard E-10 and USCG requirements. Patented design. Install with #10 screws. Contains no metal parts to corrode and no webbing straps to fade. Fits Series 27/27M ID 12-1/8" L x 6-3/4" W x 8-3/4" H

Price is per unit.Also available in a case of 6. Please call us if interested in case pricing.