PROTECTIVE RAIL BARRIER 6 FT. RAIL - 436726 (R-6) GUARD RAIL HELPS PROTECT BOTH PERSONNEL AND PROPERTY USING RIBBED 10 GAUGE HIGH-TENSILE STEEL. HARDWARE INCLUDED WITH BARRIER RAIL TO ALLOW EASY INSTALLATION TO POSTS AND CAN EASILY BE DROPPED-IN WITHOUT THE USE OF TOOLS USING OPTIONAL DROP-IN BRACKETS (SOLD SEPARATELY). HIGHLY VISIBLE SAFETY YELLOW FINISH. PLEASE NOTE THIS MODEL IS NOT COMPATIBLE WITH MODEL # 442594 442595 867100 867101 867102 867103 867104 AND 867105. RAIL LENGTH IS LISTED IN NOMINAL SIZE.