The following is a picture of a locking pin for a tubular hinge which specifies Maritime use. I assume it has something to do with railings but I'm thinking of fabricating my own similar hinges. &q
Product name: Key lock switch; Voltage: AC 220V / 380V Current: 1A; thread dia(approx.): 11mm/0. 433 inch Overall size(approx.): 1. 5 x 2. 4cm/0. 6 x
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