M2 x 4 mm + 4 mm Male to Female Cylinder Knurled Brass Spacer Standoff 55pcs

【Features】 1. These standoffs are made of Brass(HPb59-1) which strong anticorrosive compact and portable durable material for a long time use 2. Accord with standardized metric system. And the average error is less than 0.01mm. The screw thread is quite sharp clean and accurate. The accurate size makes your installment or repair easier