Platform Mounted Parallel BarsPlatform Mounted Parallel Bars Features and Function Parallel 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 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 Specs Width adjustable, 1 1 2" one piece, stainless