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Reviewed in the United States on February 28, 2025
Exactly what we ordered prompt delivery.
William Regan
Reviewed in the United States on May 10, 2024
The bumper balls worked well enough for the intended purposes, don't know if these would hold up for professional use, but, they worked well enough for running cat6 cable in my house that was built in the 1960's, we ran networks drops to 3 bedrooms and into the living room.
cj
Reviewed in the United States on March 23, 2024
Worked great for running wires through walls
Fei Yu
Reviewed in Canada on November 9, 2024
Found this Item form tiktok,its good design but the hole size too small for most bit that I own, I already modify. Recommend manufacture change the hole size minimum to fit 1/4 bit.
adi13
Reviewed in the United States on January 20, 2024
helped center out the hole in the top plate. should have bought these with the flex bit to begin with!
Gerald W.
Reviewed in Canada on April 26, 2024
Was perfect for stopping the drill from cutting into the inside of the wall
Customer
Reviewed in Canada on April 12, 2024
As Advertised / On Time / Works SmoothlyThanks! 👍🏻😁
Samuel Pierson
Reviewed in the United States on May 25, 2023
Needed to run romex up a wall into my attic. I bought a flexible extension and self feeding drill bit. Before starting the project I thought how do I prevent accidently drilling through the wrong place. I found these and they are the balls! Easy to install, and they work flawlessly!
Andy
Reviewed in the United States on October 25, 2023
I got the EMILYPRO Flex Shank Installer Drill Bit Guide Tools to make my floor drilling tasks less of a hassle, but encountered an issue with the set screw on the collar. The screw wasn't long enough to securely attach the collar to the drill bit, which is crucial for preventing the bumper ball from traveling up the bit. This design flaw could lead to accidentally drilling through the wall instead of solely the floor.The idea behind the tool is smart, but the execution fell short in this aspect. I had to spend extra time ensuring the collar stayed in place, which defeated the purpose of a tool meant to make the job easier. I'm rating it 2 stars and hope that the manufacturer will address this in the future models for a better user experience.
Island Guy
Reviewed in the United States on August 15, 2021
These ball and flex bit combinations are clever, and potentially useful for installing low voltage conductors wood stud walls.However, they are less useful for running line voltage cable, such as 12-2 NM ("Romex") cable. This is because the National Electric Code requires the edges of the holes drilled in the studs be at least 1-1/4" inches away from the edge of the stud (to protect the cable from nails and screw driven into the drywall, e.g., to fasten the drywall to the studs, or to hang a picture on the wall). To achieve this distance when drilling with a 1/2" bit, the center of the hole would need to be at least 1-1/2" away from the edge of the stud (more if the hole being drilled were larger than 1/2"). That would require a ball-guide that is at least 3" diameter. Unfortunately, the largest of these ball-guides is only 2-5/16" in diameter. This means that the center of a 1/2" hole drilled with the largest ball would be only 1-5/32" away from the edge of the stud-- 3/32" less than the distance required by code. This problem could be remedied by installing metal nail protectors on the edge of each stud. But that would require cutting open the drywall, which would defeat the purpose of this product.Similarly, this ball-guide is not very useful for drilling holes in floor/ceiling joists. Here the limitation is structural, rather than electrical. Most codes and guidelines that I've found require the edges of such holes to be at least 2" away from both the top and bottom edges of the joist. To achieve this, with a bit that drills a 1/2" hole, the ball would need to be at least 4-1/4" inches in diameter.As to drilling through studs, making the ball-guide 3" in diameter would solve one problem, but would create another: One would need a drywall opening of at least 3" x 3" to work through. However, the width of the hole required to install single-gang junction box (the box needed for a single switch or receptacle) is only 2-1/2". Creating a hole large than that would require some drywall patching (again defeating the purpose of this product). And this probably explains why I have been unable to find any 3" diameter ball-guides commercially available. Rather, one would have to make or purchase (from a woodworking supplier) a wooden ball of sufficient diameter, then drill a hole through the center of the ball to make it usable as a ball-guide.Too bad, this could have been such a useful product for electrical projects.
F Davis
Reviewed in the United States on June 1, 2020
Would have considered 5 stars but haven't had a chance to use it yet. Quality wood and construction.
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