SK 49270 1/4-Inch Drive 1-1/2-Inch Professional Thumbwheel Ratchet 1/4-inch drive 1-1/2-inch professional thumbwheel ratchet with enclosed ratcheting mechanism for easy removal 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 1/4-inch drive