Kershaw Knife Oil KEROILKershaw Knife Oil Precision Lubricant for Smooth Performance Keep your knives performing at their best with the Kershaw Knife Oil, specially engineered to protect, condition, and enhance folding mechanisms. Regular use ensures smoother blade deployment while helping prevent wear and corrosion. Simply shake well, apply a drop to all moving parts, such as the pivot, detent ball, and detent hole, and work the blade open and closed to distribute evenly. A