M2.5-0.45/2.5mm - Metric Nylon Insert Hex Lock Nut DIN 985 - A2-70/304 / 18-8 Stainless Steel - MonsterBolts (10) Metric Size : M2.5 / 2.5mm Type : Nylon Insert Lock Nut Specification : DIN 985 Thread Pitch : 0.45mm - Coarse Standard Thread Wrench Size : 5mm