The most common heavy hex head screw, these steel screws meet ASTM A325 regulations for structural joints, such as mating I-beams and scaffolding. Material meets ASTM F3125 specifications for quality.
This high quality emergency vehicle light bar with special technology design, waterproof, dustproof, seismic design can adapt to the various environment. Built-in the reverse polarity protection circuit, it can protect installation wiring and vehicle elec
This high quality strobe police led warning light bar used 1W or 3W high power LEDs, make of PC shell, aluminum alloy base, heat-resistant, anti-corrosion, endurance and anti-ultraviolet.
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