1/2" diameter?? 16"useable length?? 21"overall length for a wide variety of applications</br>Four chiseling faces and cutting edges double the chiseling action for more efficient drilling</br>Engineered to perform to the highest standards</br>Carbide tipped bit head is harder and tougher for increased power</br></br>Product Description</br></br>114-HC5011 Features: -Number Of Bits:1 -Product Type:Sds+ Bits & Adapters. Dimensions: -Overall Product Weight:0.01</br><br/>http://www.amazon.com/gp/product/B0000TZXNAtt