It is for determining the aggregate Impact Value construction consistof a base and support columns to from a rigid frame work around the quick release trigger mechanism to ensure an effective free fall of the hammer during test. The free fall can be adjusted through 380 5 mm. The hammer is provided with a locking arrangement. Supplied Complete with : Cylindrical CupMetal Measure, 75 mm ID x 50 mm DeepTamping Rod 16 mm dia x 600mm longAutomatic Blow Counter Complete Outfit As Mentioned Above