Channel-like stance adjustability for splitboards built with inserts. Believe it. This breakthrough in design has riders beyond stoked and has made Spark Pucks Spark R&D's most popular splitboard accessory. Oversize aluminum center disk overlaps binding channels for maximum strength and rigidity +/- 1/4 inch (6.5mm) of toe/heel adjustment in .5 inch (1.3mm) increments +/- 30° angle adjustments in 3° increments Technical Features Stance width adjustments in .17 inch (4.2mm) increments Weight 289 g Materials Bindings slide on soft nylon for effortless installation