WOODYS Hard Surface Runner Plastic Mach Ski - Fits Arctic catA hardweld runner designed for extreme service or utility applications 1 2" host bar with a double bead of hardweld increases the depth of the runner for controllability in grass racing or deep snow conditions Not recommended to replace OEM runners; not suitable for sleds with over 48 installed studs in track 1 2" thick with flat top design, extended mount studs and a rear angle cut Sold in pairs