The hand strap fastens to the back of the Trimble Ranger 3 computer.
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The hand strap fastens to the back of the Trimble Ranger 3 computer and improves user ergonomics by enabling the user to hold the Ranger 3 with a relaxed grip.
This is a standard accessory included with each Ranger 3 computer. It is a consumable accessory that can wear out in normal usage.