NINDEJIN Fine Thread Nut Set 90pcs 300pcs M4-M16 Stainless Steel Hexagon Nut Metric Fine Thread Pitch Hex Nut Assortment Kit NINDEJIN Fine Thread Nut Set 90pcs 300pcs M4-M16 Stainless Steel Hexagon Nut Metric Fine Thread Pitch Hex Nut Assortment Kit. Sale price : $25.59 Category : Home Improvement