The time proven 300 Series Hole Diggers are designed to tackle a wide range of construction related hole digging projects... from simple backyard fencing to complex landscaping and soil sampling. Each built with oversized bearings, heat treated shafts and precision, machine cut gears, that has created an industry wide reputation for delivering long service life and exceptional ROI. All with the power and performance to dig up to 457 mm diameter holes in a wide variety of soil classifications. The unique Comfort-Flex™ operator handles actually flex under load to help absorb vibration and kickback forces encountered. This feature dramatically reduces operator fatigue, increases productivity rates and enhances jobsite safety. The M330H is for use with the 4400 Series earth augers and 5500 Series auger extensions. The M357H has a Stihl type connection.