<< TGD DDX Dry Core Bit More Views Product Description Very long life coring in general and reinforced concrete Fast coring due to the uniform diamond placement Smoother, faster coring offers more productivity and less overall diamond tools costs 15" core length to accomodate air entering patented unique dry vacuum hub Use the DDX TGD dry bit with the WEKA DKS32 mounted and a vacuum for a complete dry system DDX DRY DIAMOND EXREME SIZE CAT # 2" 117889 2-1/2" 117890 3" 117891 3-1/2" 117892 4" 117893 4-1/2" 117894 5" 117895 5-1/2" 117896 6" 117897 Additional Information Part Number No Catalog Number No Diameter No Size No