This is a brand new 3cx extra dig adjusting bolts X 8 & 40 X 2MM shims (JCB REF 1315/0808Z & 823/00302) that will fit various JCB models.This part has been made with the original specifications to ensure a direct fit. If you are unsure if this fits your machine please provide your serial number and we can confirm if this part is correct for your machine.