Sharpen up your Jiffy® 30 Series or 70 Series Auger with one of these drop-in Replacement Assemblies. XT Drill Assemblies feature thr RipperTM serrated blade with baked on finish to protect the blade, while the serrations provide a faster, smoother cut. When combined with D-Ice'r ARMORTM on the bottom end of the drill assembly, XT Drill Assembly provides the best in super-fast cutting and resistance to ice-up. Available in 6", 8", 9" or 10" size.