Description:STURDY CONSTRUCTION: Our Wrist Roller is made of heavy duty steel structure to prevent breaking or cracking when used with heavy weight plates.FOREARM WORKOUT: Increase the flexibility and strength in the wrists, fingers, wrists, forearms, and elbows to reduce injuries and help perform sports better.ADJUSTABLE STRAP: Strap is made of nylon material for more durability and safety while working out.SOLID STEEL CONSTRUCTION: Forearm trainer is fabricated from high-quality solid steel and can conveniently be used with any standard sized weight plates.USAGE: Stand, hold the roller with hand, exert yourself to roll up the heavy hanging objects, restore with control. First frontal roll then back roll, repeatedly operate.Specifications:Product name: Wrist RollerColor: BlackMaterial: Steel + NylonHand Grip Full Length: About 40cm/ 15.7inchSingle Handle Length: About 16.5cm/ 6.5inchLoad Bearing Belt Size(L x W): About 1m x 3.8cm/ 3.3ft x 1.5inchLoad Rod Length: About 20cm/ 7.9inchLoad Tray Diameter: About 6cm/ 2.36inchPackage Includes:1Pc x Wrist RollerNote:1. Due to the light and screen difference, the item& 039;s color may be slightly different from the pictures.2. Please allow 0.5-2 cm differences due to manual measurement.