Diablo 10" SDS-Max Ground Rod Driver Belt Sanders / Grinders The spindle speed range is

The spindle speed range is 65-540/245-2

and what does that mean for my project

iron or aluminum

JET JTM-4VS-1 Variable Speed Vertical Milling Machine (115/230V

All components - including the anchor body

Diablo 10" SDS-Max Ground Rod Driver Belt Sanders / Grinders The spindle speed range isLength: 10" Shank: SDS Max Chisel Type: Rod Driver Tools: SDS Max Rotary Hammer Drill Materials: Clay; Dirt Soil Diablo's SDS Max Ground Rod Drivers deliver extreme durability and stability when driving rods into soil or hardened clay. A unique heat treatment process strengthens the steel body to withstand the stress of high powered hammer drills and the impact of driving rods into the earth. Designed for driving 5 8" and 3 4" rods to meet NEC and UL