Edge Pro Small Knife AttachmentThe Edge Pro Small Knife Attachment came straight from consumer feedback. Edge Pro has created a new sharpening platform for smaller blades that works on both the Apex and Professional models. This small knife sharpener platform allows for more flexibility with smaller sized blades, including knives with thumb studs, to retain the precision sharpening you expect from Edge Pro products. The small knife sharpener attachment measures 5cm wide and 6. 4mm