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Full Thread Wedge Anchor, 1/2 x 5-1/2 in. Size, 1/2 in. diameter, 5-1/2 in. length, 1/2-13 in. thread size, 4-1/8 in. thread length, 13 thread per inch, 1/2 in. drill size, Stainless Steel material, 3/8 x 5 in. bolt size