Land Mine / Ground Effects Plate Drop InThe Land Mine Ground Effects Drop in fits into any Olympic plate or bumper plate for a fast and easy way to set up and store one of the most versatile training devices on the market. Whole body training for strength, power, and stability using one and 2 arm movements. Put an Olympic bar in the pivoting Sleeve and you are off to the races. Add a Single Handle and the number of exercise possibilities increases greatly. Bronze Bushing for smooth pivot