Universal guide for electrical hand drill

A guide for an electric drill comprising:

• a transparent, elongated L-shaped member having two mutually perpendicular faces, each face having two parallel long edges and two short edges, the faces sharing a common long edge, wherein, for each face, one of the two short edges is a perpendicular edge and the other of the two short edges is an angled edge, wherein the perpendicular edges are perpendicular to the long edges, and the common edge is formed such that the perpendicular edges are mutually adjacent to each other and the angled edges are mutually adjacent to each other;
• magnetic areas formed on surfaces of each of the faces and located so as to mate with corresponding magnetic areas on a hand-held drill;
• mutually perpendicular level indicators attached to each face perpendicular to the common long edge;
• and
• a horizontal level indicator attached to the common long edge in a direction perpendicular to the perpendicular level indicators,
• wherein at least one of the long edges is ruled, guide lines are marked on the faces in a direction parallel to the long edges, the level indicators are bubble-level indicators, and further wherein one of the angled edges forms a sixty degree angle with the common edge, the other angled edge forms a forty five degree angle with the common edge, and the short edges are formed to be non-slip edges.