Ground Rod Driver 85mm Steel Drill Bit Driver Wide Compatibility Ground Rod Bits Socket for Rotary Hammer Drill Grounding Rods Product Name: Ground Rod Driver Material: forged steel Color: silver Type: flat drill bit driver, 21mm inner diameter drill bit driver, 19mm inner diameter drill bit driver Flat drill bit driver: 8.5 x 3.5cm/3.35 x 1.38 in 21mm drill bit driver: length: 85mm/3.35 in, thickness: 20mm/0.79 in, inner diameter: 21mm/0.83 in, hole depth: 10mm/0.39 in 19mm drill bit driver: length: 85mm/3.35 in, thickness: 20mm/0.79 in, inner diameter: 19mm/0.75 in, hole depth: 10mm/0.39 in Parts List: 1 x Ground Rod Driver Features: [Strong & Durable] The ground rod driver is made of forged steel, strong and durable, with high hardness and strength, wear and impact resistant and offer great protection against rust, and can be used for a long time. [Optional Type] There are 3 different types of drill bit drivers, including flat drill bit driver, 21mm inner diameter drill bit driver, 19mm inner diameter drill bit driver. All of them are 85mm/3.35 inches in length. [Wide Compatibility] Our ground rod driver is compatible with almost all brands of SDS plus system rotary hammers and hammer drills. Please make sure it fits your tool before purchasing. [Easy To Install] The drill bit driver is easy to install and disassemble without the assistance of other tools, saving your time and improving working efficiency. The bit driver with a metal wall can withstand greater impact without damage. [Practical Tool] With this grounding rod driver, you do not need to use sledgehammers and wooden boards to install grounding rods, small fence posts, and small electric fence posts. It can save your time and give you more safety.