Thermo scientific 1250ul, XL length graduated pipette tip Atleast 4 cartons of 10 pacls each pack is 1000 tips Meet the demands of daily pipetting with Thermo Scientific pipette and tip systems. Improve accuracy and precision with pipetting systems that incorporate years of experience and innovation for consistent, reproducible results. All you need, including worldwide service, support, and application knowledge delivering smart solutions to fit your specific needs in the lab. Move ahead with complete confidence. Orders more than $500 will be free shipping. SHIPPING: DHL Sea shipping for bulk orders 3 to 7 business days shipping