Specifications: It consists one each of : Cylindrical core cutter made of steel, 127.3 mm long and 100mm internal diameter.It consists of one each of the Cylindrical core cutter made of steel. 127.3 mm long and 100mm internal diameter.Spare, an optional extra, and accessories:Cylindrical core cutter 100 mm I.D.Cylindrical core cutter 100 mm I.D.Cylindrical core cutter 100 mm I.D.Dolley.Test form pad of 50.