diameter 4.5 x 20fully threadedself-tappingstainless steel
6 holes - 106 x 12 - narrow - stainless steel
10 holes - 178 x 12 - narrow - stainless steel
4 holes - 71 x 16 - broad - staggered holes - stainless steel
8 holes - 142 x 12 - narrow - stainless steel
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