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Full Thread Wedge Anchor, 3/8 x 3-3/4 in. Size, 3/8 in. diameter, 3-3/4 in. length, 3/8-16 in. thread size, 2-5/8 in. thread length, 16 thread per inch, 3/8 in. drill size, Steel material, Zinc Plated Finish, 1/4 x 3-1/4 in. bolt size