PRODUCT GRADING (Grade C) - Fair Condition > Visible scratches and signs of use throughout > Refurbished to the highest standards. Retail Box WHAT IS IN THE BOX Jumpfisch Adjustable Hand Exerciser Kits 3 Piece PRODUCT DESCRIPTION It\'s perfect for people who need to sit and work all day beside the computer.For the arthritis or other hand diseases or patients (hand, muscle or soft tissue contusion patients) and those who are in the rehabilitation phase of the hand.In addition, it is also suitable for musicians, bartenders, tennis, table tennis, climbing and other sports lovers.-The group that demanded extreme finger and hand strength and flexibility. PRODUCT INFORMATION Adjustable Hand Exerciser:-Material - Steel wire, TPR (thermoplastic rubber material) plastic and galvanized carbon steel.Resistance - 22lbs - 88lbs/10kg-40kgLxWxH - 15x9x2cm (Length:15cm, Width:9cm, Height:2cm)Weight - 150gL Size Fingertranier (Updated Edition):-Material - SiliconeResistance - 8.8lbs / 4 kgDiameter - 1.75x1.7x1.3cm (Max.Finger Size: 1.75cm-as shown in the photos)LxWxH - 7.7x4x1.3cm (length: 7.7 cm, width: 4cm, height 1.3cm)Weight - 15gHand Training Ball:-Material - SiliconeResistance - 5lbs/2.3kgDiameter - 7cmWidth - 1.8cmWeight - 90g