Wooden spools is cheaper spool compare to steel spool and plastic spools, usually for one time shipping spool, not use for many times.
Spools & Components - Badger Plug - Premium Product Protection
Cable Reels, Reels and Spools Manufacturer
Plastic Cable Reels, Spool Plastic Reel, Plastic Reel Wire
e-spool®: The Alternative to Cable Reels & Spools
China Steel Cable Spool Manufacturers and Factory - ONEREEL
Large Sized Customized Cable Spool China Manufacturer
Steel and Plastic Reels - New American Reel Company
Welcome to visit our cable spool manufacturer, we supply much
400mm Wire and Cable Plastic Bobbin Plastic Reel Spool Bobbin (can be disassembled)
For 15 1/2 X 10 1/2 inch wood cable reel wooden wire spool holds 500 feet of 2 awg Electrical Wire & Cable : Electronics