Specifications: Material: Low Density Polyethylene Colors: Refer to Chart Meets ANSI B16.5 and API specifications Suitable for use on ASA and BS1560 flanges 150lbs Features: Quickly fits into flange bolt holes Weather and petroleum resistant www.pipeendcaps.com Plastic Protection a complete one-stop supply chain Requires no fasteners 150# Bolted Quick Fit Flange Covers,300# Bolted Quick Fit Flange Covers,600# Bolted Quick Fit Flange Covers,900# Bolted Quick Fit Flange Covers,1500# Bolted Quick Fit Flange Covers