1 each RPSWJ300 Repl. 300 # lifting mechanism assembly as seen here:
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and also 3 each RPSWJ400 Repl. 400 # Lifting mechanism assembly as seen here:
FYI once a product, an entire roof hatch, is completed we then affix the serial number to the inside frame (sidewall) area and if you are in a scenario whereby you need to identify the proper parts that will go on to a larger assembly providing us the serial number will be crucial in that process.