We are manufacturer from china. Our company have 8 years experience in produce WABCO,KNORR brake caliper repair kits. Please check the attached PDF file--KNORR 22.5, WABCO 19.5,hope it will bring you general idea of our products.If you have any interest, please send me item number and quantity, we will send you reasonable quotation for reference.

Any more information ,please feel free to contact with us.

Looking forward to hear from you soon..