Footprint Line / Corner Blocks are made from a tough engineering grade plastic. Made in Britain. Window allows visibility of gauge markings on profiles and check the line hasn't snagged. Easy to grip even in gloves or with wet hands. Narrow channels to hold the line tight. Less than 50mm on either side so can fit 50mm box section profiles. Used in conjunction with Footprint Line Pins and Braided Nylon Line.
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