Cando Digi Extend Extension Hand Exerciser Beiersdorf Bandage 5 Back Height from Floor: MSHQ 1594XL 5 Back Height from Floor: 32 * Installs in minutes No tools required * Facilitaties extension and flexion exercises * Isolate extension of all fingers and individual finger joints * Develop isolated finger strength flexibility and coordination * Vary resistance by changing toa different color coded rubber band * 4 color coded band resistance levels (tan yellow red green) allow each muscle or joint to work at a comfortable level and build as increased strength is achieved * For rehabilitation of carpal tunnel arthritis stroke fractures tendon injury nerve lacerations tennis elbow and more