Function: | • Easy to break 5mm automotive tempered glass • Tread depth gauge • Safety belt-cutter |
Advantage: | • Quickly cut safety belt ; • Hand - held rapid rupture of glass, The force required to break the glass is relatively small, the glass can be broken by holding the force of 3-4kg, very smaller force, but the normal hammer need 13-15KG force to rupture 5mm glass ; • Applicable to a wider range of people (children and the elderly can use broken glass) • Underwater worry-free broken glass and quickly; • Suitable for breaking glass in deep water • It can be used repeatedly |