Sloped-roof adjustment piece used with Vandervalk Inverter Shelter mounting systems to level a solar inverter enclosure against a pitched roof or angled substrate. Supplied in packs of 2, the wedge-shaped bracket takes up the roof angle so the shelter and inverter sit vertically. Typical applications include rooftop PV installations where a wall-mount inverter must be attached to sloped tiles or metal roofing. HS code 8504.40.