Norestar Stainless Steel Dive/Sport Boat Boarding Ladder Great for boaters with limited mounting space Oversized steps for safer and easier boarding Constructed of 316 Stainless Steel with wrap around PVC non-slip treads Standard mounting bracket included. Also fits most standard dive ladder brackets. 3-Step Dimensions: 36"L x 14"W; 4-Step Dimensions: 48"L x 14"W