Platform Mounted Parallel BarsParallel bars mounted to 1 1 2" thick hardwood plywood base with ultra durable, UV cured satin finish Safety tread at both ends of the platform Width adjustable, 1 1 2" one piece, stainless steel handrails Heavy duty, square, telescoping, steel uprights Easy height changes with spring loaded plungers and numbered height indicator strips Second height knob removes side to side play End bumpers on all handrails 400 lbs. load capacity under normal