TruGlide Full Extension Oven Rack are for use with all 30 in. Custom Series Ranges and 30 in. built-in ovens. The Viking full extension oven rack will fit securely on rack supports and fully extends making it easier to load and unload food into the oven. It can be used in any of the six oven rack positions available. It is constructed to match the regular racks shipped with the oven.