Kupo 3 Section Wind-Up Stand with Auto Self-Lock, KS401212Wind up stands have been the definition of strength and safety in the grip industry since their inception. They enable a single operator to raise and lower heavy loads safely with just the turn of a handle. As you crank the handle both risers move simultaneously. A single clockwise revolution of the handle raises the stand 1. 73 (4. 4 cm), and a single counter clockwise revolution will lower the stand by the same amount. The KS401212 has an automatic