Screwdriver set - has flexible but torsionally stiff shaft with end socket accepting variety of interchangeable driving bits

摘要

The screwdriver set consists of a handle (1), a flexible but torsionally stiff shaft (2), a socket (21) with clamping ring (20), and a variety of interchangeable driving bits (23). The shaft may be made from a relatively stiff rubber. ADVANTAGE - Screws can be reached and tightened in any position.