wynnsky retractable air compressor hose reel, 3/8 inch × 50 feet hybrid hose, universal coupler and industrial plug, 1/4 inch body, 1/4 inch npt, swivel mount bracket wynnsky retractable air compressor hose reel: wynnsky air hose reel is suitable for industrial, contractor, or household use. the spring-loaded torsion system with an auto-guide rewind that smoothly retracts the air hose without any kinks. the reel can mount on a wall or ceiling and allows 180° free rotation for versatility.