For Use With 24/ 24M/ 24F Series Battery; Plastic; Heavy Duty; Adjustable; Non Corrosive; Black; 10-5/8 Inch Length x 6-3/4 Inch Width Inside Dimensions; ABYC Standard E-10 And U.S. Coast Guard Approved; With Adjustable Height Crossbar And Two Retaining Bolts; Aftermarket Packaging