I-BEAM TYPE; ALUMINUM MATERIAL; 48 INCH; 48 LENGTH - DECIMAL; 48 LENGTH - FRACTIONAL; CARPENTER APPLICATION; 2 PLUMB(S); 3 VIAL(S); 1 LEVEL(S); STANLEY. BRAND; ITEMS/FEATURES ACCURATE 360. VIALS, PROTECTED TOP READ WINDOW, SHOCK ABSORBING END CAPS