All 304 Stainless Steel with # 7 polish .#10 being flawless and #8 being a mirror , silver in color. <br> Rod Tubes are 10 inches long 2" inch diameter on 7 inch centers leaving a 5 inch space between tubes. .065 or 1/16th inch wall thickness and have a full length PVC liner. Cross tubes are 5 inches in length 1.1 inch diameter with a wall thickness of .065 or 1/16th of an inch. <br> 3 Stand/off's or legs are 5 and 1/2 long 1 inch diameter with a wall thickness of .065 or 1/16th of an inch. Collar Stand/off and base plate and base tube are .120 or 1/8th thickness, base plats are cast forged. <br> base plate tube have two 1/4 inch by 20 allen type set screws. <br> Locking bolts are 3/8th Die. by 3/4 Length #16 that requires a 9/16th socket on a short extension to tighten, it is concealed inside the stand/off leg. <br>