FIT : FITS A STANDARD 4X4 WOOD POST (POST NOT INCLUDED) QUALITY : Beautiful finish over galvanized steel. Securely holds 4x4 post INSTALLATION : NO NEED FOR CEMENT - NO Dig option (for most soil types) press into the soil and twist into the ground with provided insert rod. DIG IN Option (for hard rocky soil) clear a hole deep enough to accommodate the stake yes a smaller diameter than the stake shaft. Insert the stake and twist in with tightening rod. HARDWARE INCLUDED : Includes tightening rod and 5 lag bolts (use two bolts on one side and three on the other). USE : Great for any 4x4 post (mail box post, fence, etc.) One Stop Outdoor United Premium No Dig Ground Anchor - U-Model Screw in Post Stake - Fits Standard 4x4 (Black) INSTALLATION : NO NEED FOR CEMENT - NO Dig option (for most soil types) press into the soil and twist into the ground with provided insert rod. DIG IN Option (for hard rocky soil) clear a hole deep enough to accommodate the stake yes a smaller diameter than the stake shaft. Insert the stake and twist in with tightening rod. PLEASE NOTE: This stake is best suited for standard soil conditions. Not recommended for rocky or extremely sandy conditions. FIT : FITS A STANDARD 4X4 WOOD POST (POST NOT INCLUDED) QUALITY : Beautiful black finish over galvanized steel. Securely holds 4x4 post HARDWARE INCLUDED : Includes tightening rod and 5 lag bolts (use two bolts on one side and three on the other). USE : Great for any 4x4 post (mail box post, fence, etc.)