1、SMART MOVING KIT: 8 pack set, 4wheel mover dollies, great for moving furniture, appliances and so much more! The depressed center allows for moving objects with legs and the padded protects from damage. These mover dollies  4 casters that provides easy mobility for oversized and heavy objects. 2、MOVING MADE EASY: This easy moving system are used to transport any of a variety of large, heavy objects, such as cabinets, crates, drum containers, furniture, heavy machinery, large appliances, rolls of carpet, or. It can be used by professional movers or in home, warehouses, shop, garage or other industrial environments. 3、DURABLE AND STURDY: This furniture mover and lifter kit, with specialty leg dollies made of steel, each has four caster wheels, makes this transport set strong enough to deal with items up to 500kg. Wheels made of PP + PVC will not/damage your any floors. 4、EASY TO USE: Put the lifter under the heavy furniture/object and it up, Place 4wheels rollers under the 4 corners/legs of furniture/object. Package come with 3 Jacks can make your lifting more high, meet your different object height requirement. Perfect for furniture/objects with leg. 5、ANTISKID DESIGN: Antiskid design of the dolly wheels keeps the furniture securely attached during transport and released quickly & easily, preventing scuffing and marring to sensitive. Specification: Material: Carbon Steel + PP + PVC Color: Blue, Rosy Brown, Black, Orange, Grey, Red Size: 4 Wheel Mover's Dolly 12.7×10cm, Heel Block 8×8cm, Lifter 32cm Weight: 1.175kg Load-Bearing: 500kg Package Include: 4× 4 Wheel Mover's Dolly 3× Heel Block 1× Lifter