Telescoping 4-step boat ladder extends to 44-1/8in for water access making it much easier to board a boat at the transom area. Ladder rungs feature rubber tread grips for comfortable added traction. When not in use the ladder can be retracted and flipped up for storage on the 18in x 14in fiberglass swimming platform between the 0.875inD handrails. A properly installed ladder safely supports up to 300 lbs. maximum. Each boat transom ladder includes mounting brackets angled braces and lag bolts for boat installation. Drilling is required. Made with stainless steel construction built to last.