Boat part number 1110056 is a new slide-out under platform ladder from Garelick, part number 19623-78 .
This 3-step slide-out ladder is constructed out of 1 1/4" Dia. stainless steel tubing with a polished finish. Features black poly treads. It measures approximately 33" H x 27" D x 11 1/2" W overall when deployed and approximately 16" L x 11 1/2" W x 3 1/4" H overall when stowed. It mounts via (10) 1/4" Dia. mounting holes.
Please see photos for additional measurements.
Specifications: