Cheddite primers have been used across Europe for the last 25 years. They are the most consistent primer available and continue to be our most popular choice. The CX2000 primer is the hotter of the Cheddite primers Lacquer sealant on the top of the primer Suitable for Cheddite cases Primers are Hazardous Class 1.4s. These are not able to be sent via standard mail or courier.