Amazon.com: RVGUARD RV Power Cord Reel, Heavy Duty Power Cord Storage Reel, Holds Up to 50 Feet of 50A (6/3+1/8 AWG) Heavy Duty Power Cord : Electronics
CRAFTSMAN Craftsman Heavy Duty Retractable Extension Cord, 50 Ft with 4 Outlets- 14awg Sjtw Cable- Outdoor Power Cord Reel in the Extension Cord Accessories department at Lowes.com
Etokfoks 50 ft. 14AWG/3C, 13 Amp Retractable Extension Cord Reel with 3 Grounded Outlet, Wall or Ceiling Mountable, Yellow MLPH005LT213 - The Home Depot
VEVOR Retractable Extension Cord Reel 50+3.2FT, 16/3 SJT Power Cord Reel, Heavy Duty Electric Cord Reel, Wall/Ceiling Mount Retractable Cord Reel, Automatic Flexible Triple Tap Connector with Stopper | VEVOR US
SD™ 5 Series 120 Volt Cord Reel - Single Industrial Receptacle - 50 ft