
Non Sparking Striking Box Wrench Flogging Ring Spanner German Type Slugging Box End Wrench. Non-Sparking Safety: Made from Aluminum Bronze or Beryllium Copper to prevent sparks in flammable environments. High Torque Design: Designed to be struck with a hammer for tightening large nuts and bolts. DIN 7444 Standard: Manufactured in strict accordance with German DIN7444 standards. Drop Forged Construction: Undergoes drop forging process for ruggedness and long-lasting mechanical performance. Magnetic Resistant: Beryllium Copper version is magnetic resistant, functioning normally in magnetic environments. GB10686-89 Certified: Explosion-proof performance meets GB10686-89 standard requirements. Customization Options: Offers full, minor, and flexible customization from samples or designs. 100% Quality Inspection: All finished products undergo visual and functional inspection before shipping.