Pennington Blackhawk 303 Speed Skate Sharpening Frame
High strength, high impact aluminium extrusion. Alloy ends attached to square steel centre tube eliminates twists even on uneven surfaces. The Blackhawk features adjustable stops in the arms that allow you the option of two or four point contact with the skate blade.
The Blackhawk also offers blade height adjustment, adjustable rear end stops that maintains an exact sharpening position every time.