[Specifications] Material: Brass(HPb59-1) Size: M3 x 4 mm + 3 mm[Features]1. These standoffs are made of Brass(HPb59-1) which strong, anticorrosive, compact and portable, durable material for a long time use2. 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[Package Included]M3 Brass(HPb59-1) male-female standoff 4 mm + 3 mm, 50 pieces
