Irwin Tools 4935651 Lock-n-Load Quick Change Extension, 3/8", 2-3/4"
IRWIN Tools Lock-n-Load Quick Change Extension, 3/8-inch 2 3/4-Inch Length (4935651), Lock-n-Load Quick Change Extensions, Carbon steel construction sleeve and body for durability and life, Lock-n-Load system for one-handed quick release.