100pcs M2 /m2.5 /m3 Copper Inserts, Double Pass Knurl Nuts. Features: Uniform Spacing,clear Lines,uniform Force,high Strength ,more Solid. Processed Quality Make Sure the Edges Are Clean and Polished Smooth Surface Without Burr. Not Easy to Rust, Strong Corrosion Resistance. No Need to Counterbore or Countersink the Boss Hole Since the Insert Has Guide Pilot. Widely Used on Laptop Plastic Case, Desktop Computer Plastic Case, GPS Plastic Case, Router Plastic Case, Mobile Phone Plastic Case, Unlimited Communication Facilities Plastic Case, Home Appliance Plastic Case, Car, Electrical Appliance, Electronic and Other Plastic Case. Specifications: Is_customized: Yes Material: Copper Model Number: M2*L-3.5/ M2.5*L-3.5 /M3*L-4.2(OD) Type: Rivet Nuts Model: M2 M2.5 M3 Type: DIY Material: Stainless Steel Quality: Superior Product Package Weight: 0.150kg (0.33lb.) Package Include: 100pcs X M2/M2.5/M3 Kurl Nuts . We are an international based seller that will ship your order from abroad, please at least a minimum 14 working days for delivery right now due to the ongoing delays in shipments globally.