The Slogging Spanner 41Mm Ring End Crv Is A Heavy-Duty Tool Designed For High-Torque Applications, Such As Loosening Or Tightening Large Bolts And Nuts. The 41Mm Ring End Is Ideal For Use With Large Fasteners, Providing A Strong Grip And Better Leverage. Crv Stands For Chrome Vanadium, A High-Quality Steel Known For Its Durability, Strength, And Resistance To Wear And Corrosion, Making The Spanner Long-Lasting Even Under Tough Conditions. The Slogging Feature Allows For Striking The Spanner With A Hammer To Apply Additional Force, Making It Perfect For Stubborn Or Tightly Secured Fasteners In Industrial, Automotive, Or Construction Settings.