Self-locking Hexagon Nut Set, M4 $0.99 Quantity discounts available QuantityPrice Quantity: -+ SKU: FG06738-04 ABOUT THIS PRODUCT:Self-locking Hexagon Nut Set, M4AboutAboutSet of 15 Self-locking Hexagon Nuts, M4 for FG models. FG part # 06738/04