Hello Dear potential Supplyer, we prefer to work directly with factory's manufacturer. I need to start with 1000 units 154 pins and 1000 united 196 pins to best quality Price. please if u are a trader we don't have time to waste negotiating for a month. we need to buy components with best price since we manufacture a product with the headers we don't resale !!! Yes we can send a sample from each. we need estimated price before sample if u are a manufacturer u will know the cost in advance. we do not provide drawing. we are looking for long term relationship that's why we prefer factory's. we are allready in delay so we need a partner ready to start now ! see attached pictures I need exactelly the same streight pins or 90 ° in the back I don't mind the cheaper the better. thank you very much for your time. let's start Mathias Bellussi u can answer on email@example.com to get a faster answer or what's app on +971509050946 to get immediate contact.