【Professional level ab/core machine】curve track steel design Involves more muscles take your ab/core workout to a higher level. 【Stable & Durability】Fitlaya Fitness ABS machine made of heavy-duty steel frame, high quality knee cushion and Foam-covered handgrips, ensure high durability and comfortable workout. The max weight capacity is up to 440 lbs. 【Adjustable Resistance Levels】4 different training and resistance levels can…