National Marker Company (NMC).
Prevent unauthorized entry or injury by blocking access with National Marker Company
’s adjustable, heavy duty rigid plastic sign. Ideal for vats, tanks, boilers, and pipeline openings, our Cross-Buck Kit meets OSHA Regulation 29 CFR1910.146 (c)(2) and comes standard or completely customizable. This sign pivots flat for easy transportation and storage and is protected by our protective Sign Muscle™ coating.