TH Marine BHF-24S-DP Frame Top Battery Tray fits 24 Series Battery Frame Top Holds Batteries Securely with Easy Adjust Knobs Thick Base Holds Heaviest Batteries Recessed Fasteners and Stainless Steel Rods Resist Corrosion Fits Series 24 Batteries Group 24 Series Dimensions, Length OD: 12-7/8", Length ID: 10-3/8", Width OD: 7-1/2", Width ID: 6-3/4", Min/Max Battery Height: 6-1/2" - 8"