Click to expand Tap to zoom Excel - No.1 Light Duty Knife by Excel Sale $4.20 | / SKU excel-no1 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart The K1 is a lightweight aluminum body knife crafted for easy maneuverability. This knife includes a 4 jaw aluminum chuck with front blade release for a more secure hold of your blade and a better handling than your standard light duty knife.