The trees….Wedgle Direct-Injection Tree Treatment System does not require drilling a tree for treatment. Ease of Use. No drilling means no power for electric or battery drills. No mixing at the job site. No mess around the trees. No waiting for uptake. Tree Care Professionals treat more trees in one day. Full line of chemicals available. Everything fits in one case. High-volume kit backpack is comfortable for long periods of time. We are all about the trees and ease of use. For more information, click here.