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The Loxx® Pull It Up Fastener Locking Tool is an upgraded locking key with an easy-to-grip wooden handle. This tool is great for those installing Loxx fasteners on a regular basis as it’s easier on your hands. The locking tool can be used to install all upper head and lower stud components.
Loxx® Pull it Up Fastener Demo - Locking Marine Fastener
A must have for Loxx and Tenax fasteners
Nice and solid
Very handy tool
Not necessary, and there is a less expensive way to attach the fittings. Ring pliers work too, but this one is the easiest and it helps to have two when installing the fittings.