This bigger size hand gripper is an extremely effective equipment to strengthen your finger-hand-forearm muscle. Comparing with the same type of smaller size one? it needs your more strength. With smooth appearance and high-quality material? this hand gripper is comfortable and durable to use.

Features:
High-quality and durable for it is made from aging resistant material? can be used for a long time.
Trumpet smooth appearance for your hand comfort.
Hard and sturdy design.
Easy to use? just simply squeezing it to strengthen your hands force.
Quiet? it will not make any noise to bother others around you when using.
Environmentally-friendly for its non-poisonous material.
Function as an extremely effective finger-hand-forearm strength and endurance trainer or a tool for reducing stress.
Beneficial to health: developing hand strength? increasing finger dexterity? promoting blood circulation? reducing stress and preventing joint stiffness.
Suitable for men? women and those who want to recover from injuries.
Four resistance levels? includes 40lb? 50lb? 60lb? 70lb round hand grips optional.
Four colors optional.

Note:
1. Please allow 1-3mm errors due to manual measurement.
2. Due to the difference between different monitors? the picture may not reflect the actual color of the item.

Specifications:
Material: Silicone
Shape: O shape
Color: Yellow? blue? green? orange (optional)
Weight resistance: Yellow (40LB)? blue (50LB)? green (60LB)? orange (70LB)
Inner diameter: 4.4cm / 1.73in
Item size: 8.8 * 8.8 * 2.2cm / 3.46 * 3.46 * 0.87in
Item weight: 91.2g / 3.22oz
Package size: 10.8 * 10.8 * 3cm / 4.25 * 4.25 * 1.18in
Package weight: 94g / 3.32oz

Package list:
1 * Hand power grip ring