The ryobi r18ag 0 is a powerful lightweight and ergonomically designed 18v angle grinder manufactured for a range of grinding and cutting applications involving metals and other materials when using the correct cutting disc operating at a maximum speed of 7500rpm the r18ag 0 has easily enough power to produce quick accurate cuts with minimum effort required from the user fantastic for a hard day on site complete with a three position handle with gripzone moulding for comfortable use in an