CONSISTS OF 2 ARMS MEASURING 8.750 X 2.000 X 1.250 AND 8.750 X 2.250 X 1.250 INCHES CONNECTED BY A LINK MEASURING 15.625 X 2.000 X 0.500 INCHES.EACH END OF LINK IS CONNECTED TO ONE END OF EACH ARM W/SPECIAL BOLTS TO ALLOW PIVOTING.ALL MATERIAL IS STEEL W/CADMIUM PLATE AND CHROMITE DIP.