GBM ne irin sausaya irin karfe beveling inji ta amfani da abun yanka ruwa wanda aka yadu amfani ga karfe tsarin masana'antu.
Nau'in tafiya ne tare da gefen farantin tare da babban gudun kusan mita 1.5-2.8 a cikin min. Tare da samfura GBM-6D, GBM-6D-T, GBM-12D, GBM-12D-R, GBM-16D da GBM-16D-R don zaɓi tare da kewayon aiki daban-daban don nau'ikan nau'ikan ƙarfe na ƙarfe.