For use in concrete, stone, brick, and block. Ideal for medium to heavy loads. Drill hole same diameter as anchor. Exact hole depth is not required. No. 370980: Diameter: 1/4", Length: 2-1/4", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 40 No. 370981: Diameter: 1/1/1: Diameter: 1/1. 4", Length: 3-1/4", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 30 No. 370982: Diameter: 3/8", Length: 2-1/4", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 25 No. 370983: Diameter: 3/8", Length: 2-3/4", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 25 No. 0984: Diameter: 3/8", Length: 3", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 25 No. 370985: Diameter: 3/8", Length: 3-3/4", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 25 No. 370986: Diameter: 3/8", Length: 5", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 10 No. 0987: Diameter: 1/2", Length: 2-3/4", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 12 No. 370988: Diameter: 1/2", Length: 3-3/4", Material: Steel, Finish: Zinc-Plated, Pkg Qty: 12 No. 370989: Diameter: 1/2", Length: 4-1/4", Material: Steel, Finish: Zinc-Pkg ty: 10 ---- 1. Since it is imported overseas, even if it is brand new, there may be some damage to the package, but please rest assured that this does not affect the product. 2. Product warranty and other products made in Japan are not applicable. 3. Packaging and instructions are in English.