Fifth spherical Skylight ratchet screwdriver mechanism look in Explicitly Incubus
DURATECH Ratchet Screwdriver 6-in-1, Bit Screwdriver with Ratchet Function for Quick Screwing and Unscrewing Without Griping, 1/4 Inch and 5/16 Inch ...
US Patent: 1,971,289 - Ratcheting Screwdriver
New Craftsman SpeedDrive Screwdriver has a Familiar Design
SILENT GEAR SMOOTH RATCHETING SCREWDRIVER - Winner Workshop and Tools
US Patent: 979,862 - Ratchet Mechanism For Screw Drivers and the Like