Easy Adjustment Nordic Curl Strap: Our nordic curl comes with fitness knee mats that feature heavy duty mountaineering grade adjustment buckles for added portability and increased safety in use. Just press the sturdy spring adjuster to easily adjust the length of the nordic hamstring curl in 5 seconds. Our nordic curl strap not only help with exercises to increase hamstring strength, but also help you recover from hamstring tendon problems and improve sprint and overall stability. New Upgrade Nordic Hamstring Curl: Our Nordic Curl is made of industrial grade stainless steel with a length of 14.2 inches. Our foam is 1 inch thick and 5.9 inches long and is ergonomically designed to make your feet more comfortable when using them.Our Nordic curl strap adjustment length of 7.1" - 20.6", both adults and children, can meet the needs of daily exercise. Our door anchors are made of high-quality 2.7 inches diameter foam that securely attaches to the bottom of the door frame. Versatile Workouts Nordic Hamstring Curl: Our nordic Curl can be used for sit-ups, core training, razor curls, spanish squats, core twists and more. Our set comes with a fitness knee mats. Our pad is engineered to deliver superior shock absorbing properties,unmatched durability and non-deformable. Beginners can use equipment such as resistance bands, spikes, swiss balls, or AB rollers to help them practice. If you feel unable to support, stop the exercise immediately and take a proper rest. Compact Design Nordic Curl Strap: You only need 3 steps to easily complete the setup of nordic curl and start practicing. Step 1: Adjustable hamstring curl strap adjusts the length according to your shoe size. Step 2: Slide the door anchor under the door and close the door. Step 3: Place your foot in and adjust the strap for a comfortable fit to begin the exercise. The compact design of the nordic curl straps allows you to carry it with you so you can practice at home or at the gym. Nordic Hamstring Curl Strap Brand Service: Our nordic curl strap includes 1 Nordic Hamstring Curl Strap, 1 Fitness Knee Mats, 1 Instruction Manual, 1 Box. Our nordic curl warranty service is one year. If you have any questions, simply drop us a line via Amazon Message and we will provide you with a satisfactory solution