iMac 21.5″ A1418 – Chin Strap $10.00 A1418 – Late 2015 21.5″ iMac Casing Strip iMac 21.5" A1418 - Chin Strap quantity Add to cart Add to Quote Continue Shopping Category: Case & Internal Parts (Intel) Tags: 21.5", A1418, Chin Strap, imac Description Casing strip or Chin Strap for all 2015 iMac 21.5″ A1418 – 923-00562