The Wüsthof blade guard is a convenient and safe to protect your knives when stored in your kitchen or when travelling. A folding mechanism allows for easy opening and closing of the protector. Inside dimension are 155 x 25 x 5 mm and outside dimension are 160 x 40 x 5 mm. Accommodates blades up to 16 cm (6"). Perfect for paring and utility knives. The Wusthof Blade Guard is also available in Medium size.