Explosion convex percussion Plum ( hex ) wrench is a security tool to effectively prevent sparks at work, applies to all flammable and explosive. His material is divided into two kinds of aluminum bronze and beryllium. These two material from aluminum bronze color component is yellow, red and yellow beryllium is from HRC25 hardness of aluminum bronze and beryllium bronze stars HRC35.
Packing: inner packing with a plastic bag with a plastic outer ensure export corrugated percussion Allen wrench curved handle tap wrench