ITEM NAME:Wrist Roller Adjustable Curl Forearm Exerciser Arm Strength Biceps Muscle Description: High strength steel pipe, stand pin, and reinforced nylon rope for safe, durable and longtime using Foamed grip handles for comfortable, Anti-Slip and convenient exercising Compatible with standard size weight plates, but not over 20lbs/ 9.6kg Designed for improving the strength in your hands, wrists, and forearms You can hang other weights by the hook for example sandbag when you don't have weights plates Specification: Material: Steel, Nylon, Foam Rope Length: 1.2m/47.24 inch Handle Length: 40cm/15.75 inch Package Includes: 1 Piece Handle 1 Piece Rope 1 Piece Weights Stand Pin Note: Weights Are Not Included SKU: DMO0004331554048015.You can hang other weights by the hook for example sandbag when you don't have weights plates. Designed for improving the strength in your hands, wrists, and forearms. Material: Steel, Nylon, Foam. Compatible with standard size weight plates, but not over 20lbs/ 9.6kg.