厂商介绍：
H & H Innovative Concepts, LLC is a Pennsylvania-based manufacturer that provides the innovative product called the DRILL STOCK. Drill Stock assists in the leverage of pushing on the electric drill with a person is shoulder while drilling any type of hole that requires extra force or extended drilling times. Drill Stock is designed to fit a wide variety of electric drills including battery-powered, corded, hammer drills, and most brands of drills.
厂商官网：https://hhinnovativeconcepts.com/