I am selling the GRID X foam roller, the firmest model from TriggerPoint. 【Product Information】 • Brand: TRIGGERPOINT (TriggerPoint) • Model: GRID X 【Recommended for】 • Recovery and recuperation after daily training • Myofascial release of the shoulder blades, back, thighs, calves, etc. • Advanced users and athletes who find regular foam rollers insufficient Ideal for those who want to improve the quality of their self-care at home. 【Notes before purchase】 This is a very firm model, so please be careful if you are using a foam roller for the first time. For usage instructions, search for "TriggerPoint GRID X how to use" on YouTube to find reference videos. This textured black foam roller is perfect for myofascial release. - Brand: GRID X - Color: Black - Type: Foam Roller Thank you for viewing.