Screwdriver T-handle

Screwdriver with a screw holder

Screwdriver with enhanced grip handle

Screwdriver with pivotal handle

Screwdriver with removable rod

Screwdriver with screw holder

Screwdriver with screwdriver head storage structure

Screwdriver with slidably stored tool head module

Screwgun extension

Sectional adjustable socket tool handle

Sectionless length adjustment mechanism for tool shank

Self-levering interlocking wrenches

Self-securing tool handle

Self-storing tool set

Shank structure for a wrench

Small but effective toolkit

Snap-on quick release extension and drivers

Socket adapter

Socket adapter device

Socket adapter for powered drills and method of use