Threaded Dumbbell Handle Bars Extension Bar Set Adjustable Dumbbell Bars for Weight Lifting Home Gym Fitness Exercise If you need to workouts with different levels of your weight plates(not included),you will need threaded dumbbell handle and extension bar. Its a wonderful equipment for a variety of dumbbell exercises to strengthen muscles. Features: Foam Padded Extension Bar: Heavy-duty iron pipe and plastic cover for extension bar for durable and stable use. Soft foam cushion provides relief to neck and shoulders while training. Standard Dumbbell Handle: Built-in strong iron pipe and plastic cover.The grip handle on the bar allows your hand to grip the bar securely. Fastener Collars: Easily adjust the position of your weight plates(not included) and prevent them from easily sliding off during exercises. Convenience: Ideal for various warm ups sports and strength workouts like arms, ,shoulder, abdominal,legs or back training. 2-In-1 Design: Different combination meets your different demands. Specification: Material: Iron + Plastic + Foam Loading capacity(Dumbbell Bar): Max. 20kg/44lb (for each) Dumbbell bar length: 40 cm / 15.7 in Extension bar length: 40 cm / 15.7 in Package size: 40 * 15 * 6 cm / 15.7 * 5.9 * 2.4 in Package weight: approx. 1.5 kg / 3.3 lb Package List: 2* Handle Bar 1* Extension Bar 4* Fastener Collar