[High Speed Grinding]Pneumatic pencil die grinder kit runs at 65000 rpm with 90 psi working pressure, helping with engraving, polishing, chamfering and grinding tasks on small detailed surfaces. [Pen Style Control]Air die grinder features a compact pen shaped body for one hand use. Pencil shaft improves control and maneuverability for detailed cutting, grinding and polishing work. [Material And Size]Made of and alloy, this tool is built for frequent workshop use. It includes a 1/8in collet and 1/4in inlet for connection with an. [Wide Material Use]Suitable for internal machining and on various metals. Also works on plastic, stone and for , engraving, cutting, grinding and polishing jobs. [Workshop Applications]Designed for model making, iron products, woodworking, tire exterior and shipbuilding industry tasks. Portable form makes it easy to use in detailed areas., Manufacturer: Pissente