Use knotting pliers to place knots between pearls or beads to prevent loss in case of breakage. Because the tips are rounded and very smooth, it makes it easier for the knot to slip down onto the tip to the point where you want your knot. The thin tips also help you secure and position knots without fraying silk thread or other fibrous stringing materials. Details:5.13" (13 cm)Stainless steel box joint construction improves leverage and dependabilityRounded handles are coated for comfort