1. Four adjustable height modes-sit-ups on the floor bar, there are four height modes of 7.3-8.3 inches for you to choose according to the actual situation, just adjust the position of the gear.<br> 2. Self-priming-Sit-up fitness bar, bottom 4.7 inch large suction cup, lightly press, the suction is stable and does not shake.<br> 3. Rugged and durable-The high-density thick steel spring does not warp, is sturdy and stable, and the portable self-priming abs rod is designed for extreme durability.<br> 4. Protect the instep from pain-high elastic wear-resistant foam will not hurt the feet, soft and comfortable, and protect the instep from pain.<br> 5 Shape your perfect body-the abdominal muscle assist device helps you lose fat around your legs, waist, arms and buttocks, shape your body, and easily complete various movements.<br> Product<br> Notes:<br> 1. Before use, wipe the floor with a damp cloth to further increase the suction power.<br> 2. This suction cup is suitable for cleaning smooth floors, not for floors with uneven texture or cracks on the surface.<br> 3. When using, the suction cup should avoid the tile joints.<br> 4. Manual measurement, the size may have a slight error, please understand.<br> 5. Due to different monitors, there may be slight color difference.<br> Specification:<br> Material: steel pipe + foam + rubber<br> Color: (as shown in the picture)<br> Size: 26*12*16cm/10.2*4.7*6.3in<br> Weight: 1.76 pounds<br> Applicable occasions: homes, schools, offices, gymnasiums, outdoor flat places.<br> Package includes: 1 x self-priming lifting rod<br> 1. This suction cup is suitable for cleaning smooth floors, not for floors with uneven texture or cracks on the surface.<br> 2. When the suction cup is not sticky, clean the suction cup and the floor or add water to increase the strength.<br> 3. Not suitable for uneven terrain such as carpets and asphalt roads