This is an optional Kyosho AWD -4.5° Camber Knuckle Set, and is intended for use with the Kyosho Mini-Z MA-010 and MA-015 AWD chassis. These knuckles will allow you to set the camber to -4.5°.
Royal mail at £3.50, or Express at £6.95.
Full details at checkout.
Some items cannot be sent via Royal Mail due to their restrictions.