Summary Statement
This recall involves 4-inch air angle grinders with model number 20687. The spring-loaded safety switch can fail and allow the grinder to turn on even with the safety switch locked in place, posing a finger, hand or other laceration risk. The model number is printed on the packaging. The grinders have a blue handle and some models have the ASC logo on the top.
June 14, 2016
http://www.cpsc.gov/en/Recalls/2016/Direct-Distributors-Recalls-Angle-Grinders/