Champion Nylon Nut Inserts M8 x 1.25 Yellow Zinc SKU: 225827 MODEL: BBN050 Error. try again later You've successfully joined the club $ 5 .90 pack of 8 Mitre 10 MAvailable at Mitre 10 MEGA stores. Variants Champion nylon insert self lock nuts M8 X 1.25 8pk. Features and benefits Hexagonal. Metric. Self-locking.