Need to anchor something into concrete or stone? These 304 stainless steel drop-in anchors are perfect for overhead or flush-mounted installations. Each anchor is 3/8-16 thread size and 1-9/16 inches long. The kit includes 20 anchors plus a setting tool. Just drill a hole, insert the anchor crimped-side down, tap the setting tool with a hammer, and you're done. Corrosion-resistant and strong – great for handrails, machinery, signs, or fixtures. No more rusty anchors or stripped threads. Everything you need in one pack.