This Branch Bender - Bonsai Jack is used to create bends and sways in Bonsai tree trunks and branches or to straighten them. This Branch bender has a chrome plated finish with an adjustable spread. The distance between the hooks is 1 1/4 inches at its narrowest and 2 3/4 inches wide open. It's very easy to use and very effective. Just turn the screw once or twice every few days for results. Imported from Japan.