Surco IncAnswer
Jul 21, 2026 - 12:01 PM
The 503B is the 60" ladder with 1.5" hooks. It is designed for thicker RV bunk rails that need a larger hook opening than the standard 1" hook model.
How do I know if I need the 503B instead of the 501B? 60" Bunk Ladder | 1 ½" Hook RV
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Open Jul 21, 2026 - 12:01 PM
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60" Bunk Ladder | 1 ½" Hook
" 60" Bunk Ladder | 1 1/2" Hook Easily access the bunk bed in your RV with Surco's 250 pound capacity, 60 inch tall, 12-3/4 inch wide (overall) lightweight aluminum bunk ladder. Surco bunk ladders are manufactured with 1-inch heavy-gauge aluminum tubing for exceptional strengt
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