Primarily grip, wrists and forearms (flexors, extensors and rotators). Because the rings turn through a full 360°, your biceps, triceps, shoulders and upper back also work to stabilize the movement.

A gripper trains one motion — squeezing. The Rotator 360 lets you rotate, resist, hold and change direction, so your wrists and forearms train through their full range while still building crushing grip.

Yes. The center friction dial controls how hard the rings are to turn. Keep it loose while you learn the movements, then tighten it gradually as your grip and forearms get stronger.

Yes. Start with the friction dial loose to learn the movements. Every order includes The 10-Minute Forearm Protocol, an 18-page guide with a 4-week beginner-to-advanced plan.

Solid steel rings and knurled steel handles with a steel friction hub. Current weight and dimensions are listed on the product page.

2–4 sessions per week of about 10 minutes, with a rest day between harder sessions. The included guide lays out a full protocol with rest and rounds.

Check with a qualified professional first. The Rotator 360 is a training tool, not a medical device, and nothing on our site is medical advice. Stop any movement that causes sharp pain.

Visa, Mastercard, American Express, Discover, Diners Club, Apple Pay, Google Pay, Shop Pay, PayPal and Shop Pay Installments. All prices are in USD. See our Payment Policy.

Yes. Payments are processed by Shopify Payments and PayPal (PCI DSS Level 1). We never see or store your full card number.

Yes, through Shop Pay Installments (financed by Affirm), subject to eligibility. Choose it at checkout to see your options.

Within 12 hours of placing it, yes — email support@getcoreforms.com with your order number. After that the order may already have shipped; you can return it under our 90-day guarantee once it arrives.

Every Rotator 360 order includes The 10-Minute Forearm Protocol e-book (delivered by email), $25 store credit toward your next CoreForm order (the code is in your order confirmation email), and free tracked U.S. shipping. Complimentary items have no cash value and are not refundable separately.

Enter the code from your order confirmation email at checkout on your next order. It's valid for 12 months, one use per customer, on orders of $100 or more, and can't be combined with other codes.

An optional $4.95 add-on that covers damage, loss or theft in transit with a replacement or full refund, no carrier claim required. Details in our Shipping Protection Policy.

Within the United States only (all 50 states and D.C.). We don't currently ship to U.S. territories, APO/FPO or international addresses.

Free on every U.S. order, no minimum.

Orders are processed within 1–3 business days, then take about 7–12 business days in transit — most customers receive their order within 8–15 business days. See our Shipping Policy.

You'll get a shipping confirmation email with a tracking number. Track it any time on our Track Your Order page. Tracking can take 2–4 business days to show its first scan after the label is created.

Yes. Orders to P.O. Boxes ship via USPS.

Email us with your order number. Lost packages are replaced or refunded; damaged items are replaced or refunded when reported within 7 days of delivery with photos. Full details in Section 9 of our Shipping Policy.

A 90-Day Money-Back Guarantee: return any physical product within 90 days of delivery for a full refund of the product price. Email us for an RMA before shipping anything back. See our Return & Refund Policy.

If the item is defective, damaged or not what you ordered, we do. For change-of-mind returns, you cover the return shipping to our U.S. return address.

3–5 business days after we receive and inspect the return, to your original payment method. Your bank may take a further 5–10 business days to post it.

Yes — a 1-Year Limited Warranty against defects in materials and workmanship, from the delivery date. Most claims are handled from photos without returning the item. See our Warranty Policy.

We don't do direct exchanges. Return the original for a refund and place a new order; if you received a defective or wrong item we'll send a replacement free.

No. You can check out as a guest. An account lets you view order history and saved addresses.

See our Privacy Policy. You can manage cookies on our Cookie Preferences page and opt out of data sharing for ads on our Do Not Sell or Share page.

Click "Unsubscribe" at the bottom of any marketing email. You'll still receive order and shipping emails for purchases you make.

• Email: support@getcoreforms.com (reply within 2 business days)
• Phone: +1 (404) 666-5179, Monday–Friday, 9:00 AM–5:00 PM (EST)
• Contact page
• Mail: Pandax LLC, 30 N Gould St, Ste N, Sheridan, WY 82801, USA