This aluminium lightweight powerhouse rotary is 5 axis cut aircraft aluminium -powered by a top of the line precision sealed bearing Maxon motor made just for this machine. the adjustable fully balanced cam is perfectly balanced mill cut on the back so you can't see it and offers you the opportunity to custom set your own personal stroke for whatever you like - the cam varies from 1.0 to 3.75 stroke,but the stroke can be made to 4.0-4.5 by bypassing the measurement marks. 123 - if you like a longer throw. the reaper rotary works great for color packing, shading and if you turn it down a bit and this machine puts in black and grey smooth and soft. Weighs a total of 4.3 oz (121 Grams) - each machine comes with a 2 year warranty and all parts. Made in the USA by real tattooers Mike Pike and Jojo Ackermann, we are the only ones that touch em.