diameter 4.5 x 18fully threadedself-tappingstainless steel
4 holes - 71 x 12 - narrow - stainless steel
15 holes - 268 x 16 - broad - staggered holes - stainless steel
17 holes - 279 x 16 - broad - staggered holes - stainless steel
17 holes - 304 x 16 - broad - staggered holes - stainless steel
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