{"product_id":"rpm-sports-nsd-powerball-280-hz-auto-start-function-grip-strength-wrist-forearm-muscle-training","title":"RPM Sports NSD Powerball 280Hz Model with auto start function Grip strength Wrist Forearm Muscle training","description":" Auto start function Model with digital counter Comes with a 1 year warranty Genuine Powerball product Can carry a load equivalent to 16 kg at 18000 rpm) Muscle training for fingers, grip strength, wrists, and forearms is performed using the centrifugal force of the rotation of the ball, so it is better than using equipment such as heavy dumbbells. is a non-impact training tool that allows you to train safely without putting excessive stress on your muscles. Ideal for strength training for sports that use fingers, grip strength, and wrists such as baseball, golf, tennis, basketball, badminton, bowling, table tennis, and bouldering. It is used for strength training of the wrists and fingers necessary for playing musical instruments, for a change of pace during breaks from work, and for rehabilitation and therapy. \u003cbr\u003e\u003cbr\u003e \u003cbr\u003eProduct model number: PB688AC\u003cbr\u003eColor: Black\u003cbr\u003eMaterial: Polycarbonate\u003cbr\u003eType: Auto-start function Model with digital counter, Strength of fingers, wrists, and forearms Training\u003cbr\u003eBatteries included or built-in: ‎No\u003cbr\u003eProduct size: ‎8 x 8 x 6 cm; 266 g","brand":"Auto Parts Tokyo","offers":[{"title":"Default","offer_id":48026297237824,"sku":"B00NIY71DO","price":48.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0853\/2584\/0704\/products\/71uZeL_ra0L._AC_US1200.jpg?v=1710386036","url":"https:\/\/megashopjapan.com\/products\/rpm-sports-nsd-powerball-280-hz-auto-start-function-grip-strength-wrist-forearm-muscle-training","provider":"Mega Shop Japan","version":"1.0","type":"link"}