After 27 years of sailing i have come to the conclusion that the Slotted screw head is better than the Phillips screw head ( just incase you wanted to know

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Reasons for this;
> Slotted screw head can be used with any size flat head screw driver, unlike the Phillips screw head if used with incorrect screw driver can burr the head.
> If your stuck without a screw driver the slotted head can be tighten with any flat object eg, 5 or 10 cents piece, key head, unlike the phillips head.
feel free to contribute to my observation