WOODPECKER V1015 Pneumatic Picture Frame V Nailer[Compatible V Nails] Applicable to a length of 7mm (5 16"), 10mm (3 8"), 12mm (1 2"), 15mm (19 32") v nails; This product comes with two strips of 7mm v nails [Unique Quick Nail Length Switching Design] Easily and quickly switch between 4 nail length settings with one handconveniently adapts to instant changes of different nail sizes [Easy to Use] Equipped with a rotatable and movable angle locator fits internal external corners and photo frames of