These extractors are used to remove either the hammer head or butt from the hammer shank. The screw type mechanism exerts even pressure to prevent damage. Nickel Plated
The beveled plate with adjusting nut is used on hammer heads set at an angle.
130A - Upright Extractor
The regular upright extractor can be used on all shanks measuring greater than 3-1/4" long.

130AS - Spinet Extractor
The regular spinet extractor can accommodate a shank distance only 2-3/4" long.