The Spark R&D Canted Splitboard Pucks has all the same great features of oregular Spark Pucks, but with 3 canting for reduced knee strain. It has near infinite adjustability for splitboards with inserts and the Spark R&D Canted Splitboard Pucks has quick mounting with super fine foot placement, angle, and toe/heel centering adjustments. Specifications Weight: 11.36 oz/pr (322g) Features 3 Canting: With 3 of canting to reduce strain, your knees will thank you. Oversize Disk: Center disk overlaps binding channels for maximum strength and rigidity. Adjustability: near infinite adjustability, for your perfect stance placement.+/- 1/4 inch (6.5mm) of toe/heel adjustment in .5 inch (1.3mm) increments. +/- 3 angle adjustments in 3 increments. Stance width adjustments: .17 inch (4.2mm) increments. Superior Materials: Bindings slide on soft nylon for effortless installation.