SK 47170 3/4-Inch Drive 18-Inch Ratchet 3/4-inch drive 18-inch Professional reversible ratchet with enclosed ratcheting mechanism; easy to remove and replace for cleaning or rebuilding Patented SuperKrome finish for durability and maximum corrosion resistance Triple tooth contact ensures smooth ratcheting action with little back movement Hardened pawl and teeth for durability and long life; diamond knurled grip offers sure handling 3/4-inch drive