New V-Lock® series wrenches make installation easy. The wrenches are specifically designed for the V-Lock® adapter sleeves, providing three or four points of contact and maximum wrench engagement versus traditional spanner wrench designs. Made from tough high alloy steel for long service life. Eight wrenches are all you need for the 36 different bore sizes. Timken® V-Lock® Wrench, 3-11/16 in /3-3/4 in/3-15/16 in /3-3/16 in /4 in, 12.67 in Overall Length, 1-1/2 in H Handle