Core Blaster T-Bar Row HandleCore Blaster T Bar Row Handle The Core Blaster T Bar Row Handle is a tool at your disposal to fully work the core with a wide variety of rotational and rowing exercises. Slide onto the end of a barbell and give this handle a try. Change up your routine and destroy any weak links you may have in your body. The Core Blaster T Bar Row Handle is designed to be used with any of the following core blasters: Signature Core Blaster Core Blaster E Series Core