You can click on product's links to choose what you need, add it to the shopping cart and then click on checkout. You will see the cost of the products, shipping cost and total for the quote.
On each product, after the price, it is shown how many units are included for that price (we call it a set). 
The shipping cost shown reflects where you are located. If you are in the USA and want to place an order to be delivered overseas the shipping cost shown will not be the correct one. For this type of scenario, and the reverse situation, please email us your order and we will send you and online invoice with the correct shipment included. 

==> For freight collect on your courier's account (UPS, DHL and FedEx), just select "Freight Collect" at the shipping method step during the order placement process. Online orders, placed before 12:00PM EST, are shipped on the following business day.

==> For testing purposes, we have placed all of our production overruns here on this corner of our web site for small quantity orders. We have found that this is a very good and fast method for prospecting Customers and Researchers to get small quantities without delays. Also, there you can see what quantities we have available (real time), prices and shipping cost.

==> For sample orders, quotes are automatically issued direct from our website. Please add the items you want to the shopping cart, click on checkout and you will see the cost of the products, the cost of shipping (automatically calculated based on your IP location) and the total for the order.