Crash Beams and Drop-Arms Surface Set & Portable Model DACB-ELE-400 – ASTM M30 (K4) Surface Set & Portable Model DACB-ELE-1200 – ASTM M50 (K12) Fixed Model DACB-FCB-400 – ASTM M30 (K4) Fixed Model DACB-FCB-1200 – ASTM M50 (K12) Surface Set Manual Model DACB-PAM-400 – ASTM M30 (K4) Surface Set Manual Model DACB-PAM-1200 – ASTM M50 (K12) Field Assembled Model KBVB-MAN-1200 – ASTM M50 (K12) Ground Retractable Model HCB-EL-400 – ASTM M30 (K4) Ground Retractable Model HCB-EL-1200 – ASTM M50 (K12)