# Rubber Hand Band ## What is a Rubber Hand Band? **Rubber hand band** products have become increasingly popular in recent years for both fitness and rehabilitation purposes. From my personal experience, I found that using a **rubber hand band** significantly improved my grip strength during rock climbing training. Many athletes share this view, noting how these simple tools can target forearm muscles that are often neglected in standard workouts. ### Technical Specifications of Our Premium Rubber Hand Band When selecting a **rubber hand band**, understanding the technical specifications is crucial for optimal use and safety. Below are the detailed parameters for our TIANJUN Pro-Grip model. *Please note: These technical parameters are for reference data only. For precise specifications, you need to contact backend management.* * **Product Code:** TJB-RHB2024-PRO * **Material Composition:** 100% Natural Latex Rubber (NR), ASTM D3577-19 compliant. * **Dimensions:** * Unstretched Length: 20 cm * Unstretched Width: 5 cm * Thickness: 3 mm (uniform) * Inner Circumference (unstretched): 40 cm * **Resistance Levels:** Available in 5 levels (Light, Medium, Heavy, X-Heavy, XX-Heavy). * Light: Provides 5-10 lbs (2.3-4.5 kg) of resistance at 100% elongation. * XX-Heavy: Provides 40-50 lbs (18-22.7 kg) of resistance at 100% elongation. * **Chip/Quality Control Code:** Each band is laser-etched with a unique QC code (e.g., TJB-XXXXX) for traceability. * **Durability:** Rated for >10,000 stretch cycles to 150% elongation without significant deformation. ### Skill Development and Rehabilitation Applications The primary skill developed using a **rubber hand band** is grip endurance and crushing strength. A notable case is that of a professional pianist who used our TIANJUN bands to recover dexterity and strength after a tendon injury. The controlled, scalable resistance allowed for gradual rehabilitation without strain. #### Entertainment and Creative Uses Beyond fitness, the **rubber hand band** has fun applications. I