Portable physician scale. Rotating poise bars for dual reading of pounds and kilograms. Rugged zinc die cast beam construction with copper, nickel and chrome plating. Beam graduations are engraved in die casting, paint filled with baked enamel finish. Maximum strength unitized steel base. Precision heavy duty unitized steel lever system with heat treated pivots and vee bearings. Vacuum formed ABS high impact plastic platform cover. Model 402KL has measuring rod 24" to 84" and includes 100lb and 40kg counterweights to increase capacity to 450lbs and 200kg. Platform size 10.4" x 14" x 3.4"H. Overall size 18-3/8" x 20-1/4" x 57-3/4"H.