M4-0.7 / 4mm - Metric Nylon Insert Hex Lock Nut DIN 985 - A2-70/304 / 18-8 Stainless Steel - MonsterBolts (10) Metric Size : M4 / 4mm Type : Nylon Insert Lock Nut Specification : DIN 985 Thread Pitch : 0.7mm - Coarse Standard Thread Wrench Size : 7mm