Vacuum Suction Cup The suction cup can mounts firmly to any flat , smooth surface.To insure this line winder doesn't shake when you transport the fishing line. Exquisite Design Compact and lightweight ,portable, easy to remove and install.(Line not included) Excellent Material : Aluminum Rubber;Strong and Sturdy . Height : 16.5cm; Weight : Approx 122g. Adjustable for VaryingBy adjusting the distance between the fixed screws to control the spool's tightness and fit varying spool sizes.(Excluding some larger spools) Fastening Spring Spring-loaded tension ensures even spooling ,avoids line twisting, Better protect the fishing line. Description: You may have hands of stones and find trouble doing simple things like putting line on a reel. You may be very tired of doing it by hand which from experience it tangles, line slips loose, etc. No more stones, tangles, line slips or loose with a line spooler It can keep the line in the spool to your reel professionally Feature: Color: Silver+Black. Material: Aluminum, Rubber. Size: 16.5x12cm Package include: 1 * Fishing Line Spooler