Features:
*Made of qualified Plastic with soft sponge pad grip- anti-slip, high strength, solid and wear-resisting
*Easily converts two dumbbell bars into one barbell in seconds
*Standard long enough thread length ensures secure lock
*Fits for most 25mm/1 inch Bars
*Great replacement for your dumbbell, effectively improve your strength training.

Specification:
*Material: Plastic,Foam
*Inner Diameter: Approx.2.5cm/1 inch
*Length: Approx.40cm/ 15.7 inch

Package Includes:
*1 x Dumbbell Extension Bar

Note:
1.The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
2.Please allow slight manual measurement deviation for the data.