ADJUSTABLE TYPE; DIE CAST ALUMINUM MATERIAL; 18 INCH; 18 LENGTH - DECIMAL; 18 LENGTH - FRACTIONAL; 1 PLUMB(S); 3 VIAL(S); 1 INCLINED VIAL(S); 1 LEVEL(S); DOUGLAS. BRAND; ANGLE OF INCLINED VIALS 45 DEG; 1 PER CASE