I have a Drum Workshop Collectors series drum set and i purchased two of these items as a replacement part for the tom holders just in case... They fit perfectly. I also purchased two of the Gibraltar SC-LBM L-Rod Arms, but they were for my Premier drumkit. This item (Gibraltar SC-LBL L-Rod Arm) has a bigger ball than the one on the other one. So i would advise you to make sure of the ball size on your tom holder and be precise about it. I guess it will naturally be a perfect fit for Gibraltar tom holders of course, but as i said, it also fits perfectly into the DW tom holders. They're pretty heavy and sturdy. Good product...