Seller's Description

Product Name: Manual Crank Hand Drill (also known as an "Eggbeater" Drill).
Type: Manual / Human-powered.
Mechanism: Double pinion gear system for smooth and powerful rotation.
Chuck Size: Typically 1/4 inch (6mm) or 3/8 inch (10mm).
Material: Often high-quality cast steel for durability with a non-slip ABS plastic handle.
Key Features: Portable, requires no electricity/batteries, and offers high precision for delicate tasks