The Slogging Spanner (30Mm, Open End, Crv) Is A Heavy-Duty Hand Tool Designed For High-Torque Applications, Particularly When Working With Large Fasteners That Require A Lot Of Force To Tighten Or Loosen. It Features A 30Mm Open-End Jaw, Providing A Solid Grip On Nuts Or Bolts. Made From Chrome Vanadium (Crv) Steel, The Spanner Is Both Strong And Durable, Capable Of Withstanding The Impact Of A Hammer Or Mallet (Slogging) Without Damage. Ideal For Industrial, Automotive, And Construction Work, It Is Perfect For Tasks Involving Tight Or Stubborn Fasteners That Need Extra Force.