Klein Tools 3214TT Us Heavy 1'' Erection Wrench With HoleKlein Tools 3214TT Features Cross hole with no sharp edges for tethering Forged from select alloy steel to withstand high leverage and heavy loads Catalog number, bolt size and nominal opening size are stamped on every wrench for easy identification Continuous taper of handle makes lining up bolt holes easy and works on a range of bolt and or hole sizes without binding Extra large hub area works on larger diameter holes better than other wrenches