A hand sanding apparatus plate housing is provided. The housing includes a U-shaped top portion defined via a pair of opposing end members and a pair of opposing sidewalls spanning between the members along a sanding direction. The members having a pair of top surfaces extending along the direction and spanning between the sidewalls to provide for hand placement support along the direction. The members and the sidewalls defining a top portion interior space sized for adjacent flat plate housing. The members and the sidewalls defining an upper opening therebetween. The opening providing access to the space. The opening sized for partial plate access to enable manual plate position adjustment through the opening away from the opening. The members configured for partial plate overlay along the direction between the sidewalls to limit plate movement at least perpendicular to the direction past the surfaces.