1 - 4" DOUBLE L TRACK SLIDING WINCH | RatchetStrap.com
Trailer Winch - Sliding Double L Style - Available in Many Styles
Utility Trailer Strap Winch holds up to 30' of strap 4" web
Trailer Winch - Standard Slider - Full Metal Armor
Wilson Trailer Slider Winch
Winch Ratchets with Slide Track - PJ Trailers
Amazon.com: US Cargo Control Standard Profile Sliding Winch for Double L Track, Durable Steel Winch, Holds Up to 20 Feet of Webbing, Slides to Any Position for Winch Control, Black, 4 Inch,