The ¾" Adapter Sleeve allows you to drive posts, rebar, or rods that are ¾" to ½" in diameter. Simply slide the sleeve into the barrel. 1" and ½" sleeves are also available.For PGD2000 driver onlyUse when driving posts, rods, or rebar ¾" to ½" in diameter WARNING: California Residents Click For Proposition 65 Warnings ...Read More