For use with BLACK+DECKER BDEDMT and BDCDMT112</br>Impact Driver delivers high performance output without kick back</br>Compact Design maximizes user control for access in tight spaces</br>Variable Speed allows for precision performance that's right for each job</br>RPM (12v Max = 0-2300?? 20v Max = 0-3100 and AC 4A = 0-2500)</br></br>Product Description</br></br>The BLACK+DECKER BDCMTI Matrix Impact Driver Attachment has a compact design for user control for access in tight spaces.  Its variable speed allows for precision performance that's right for each job.  This impact driver  attachment can be used with any tool in the BLACK+DECKER Matrix line including the BDEDMT and BDCDMT112.</br><br/>http://www.amazon.com/gp/product/B009V5C58U