{"product_id":"b0gqh6rvxl","title":"2026 New Callus Ball for Hand, Hand Grip Strength Trainer for Rock-Solid Hands, Build Callus Fast \u0026 Reduce Hand Sweat for Climbing \u0026 Workout","description":"\u003cdiv\u003e\n\u003ch1\u003eAbout This\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003e【Improve Grip】The pores creates squeezing without scraping off the skin. It can help with skin toughness and grip via better friction\u003c\/li\u003e\n\u003cli\u003e【Build Tougher Skin】The callus ball for hand is designed for skin conditioning and grip training\u003c\/li\u003e\n\u003cli\u003e【Enhance Friction】Moon grip ball is ideal for athletes, climbers, lifters, martial artists, or anyone looking to improve hand feel and control\u003c\/li\u003e\n\u003cli\u003e【Grip Training \u0026amp; Stress Relief】The ergonomic size provides a satisfying squeeze, helping relieve hand fatigue while strengthening grip muscles\u003c\/li\u003e\n\u003cli\u003e【Multiple Shape Options for Different Intensity Levels】Choose from the standard 4cm Ball, Cube, or Mini Moon. Pore patterns vary slightly for a unique experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eOverview\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eColor : 1 Ball\u003c\/li\u003e\n\u003cli\u003eMaterial : Volcanic Rock\u003c\/li\u003e\n\u003cli\u003eBrand : SGRTNN\u003c\/li\u003e\n\u003cli\u003eStyle : Art Deco\u003c\/li\u003e\n\u003cli\u003eManufacturer : SGRTNN\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"SGRTNN-HiddenGemStore","offers":[{"title":"Default Title","offer_id":43934822400036,"sku":"B0GQH6RVXL","price":27.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1830\/6340\/files\/81oFUT4x8XL._AC_SX679.jpg?v=1775020694","url":"https:\/\/gripra.us\/products\/b0gqh6rvxl","provider":"Gripra","version":"1.0","type":"link"}