CONTROLLED REWIND – Returns the air hose at a safe speed. AUTO-STOP – Allows hose to be extended and positioned at any length. SELF LAYERING SYSTEM – Moves the hose from side to side on the drum allowing for tangle-free operation. SOLID BRASS INTERNAL SPINDLE – Provides added strength and durability. SWIVEL MOUNTED WALL BRACKET – Giving more versatility when mounting to walls or ceilings.