Wrenches

摘要

Improved hand tools for installing or removing cap screws, bolts, nuts and the like from locations of difficult access. In one embodiment, the tool is fitted with a continuous elastomeric member that engages the work item and holds it on the tool while imparting rotation to it, thereby to install or remove the item. Disclosed additionally is a novel device featuring a handle part and a head part that permit installation or removal of the work item using one hand only. The head part is connected to the handle part by a section that permits double hinge-like movement between the parts, thereby imparting a high degree of adjustability for access to areas not directly accessible.