Because it features variable speed control and micro-adjust depth setting

Powder-coated and zinc-plated steel prevents corrosion and withstands rigorous environments

making it suitable for common sheet sanding paper

13mm (masonry)

and are suitable for vacuuming graphite/toner and wet vacuuming

Jetech Hex-Bit Socket 1/2" Drive T30-100 Trend Because it features variable speedJetech Hex Bit Socket 1 2" Drive T30 100 These hex bit sockets are ideal for any application where a specific bit is required. These bits suit a variety of applications. They are designed with everyday trade uses in mind, making them the perfect addition for any trade professional. Features & Specifications 1 2" Drive Sizes: T30 100 Heavy Duty Use Durable Easy to use