generaider Replace them with Armstrong's. Buy them direct from Armstrong.
http://www.armstrongnautical.com/
Armstrong Nautical Products / A Division of Vallery Industries
3140 S.E. Dominica Terrace
Stuart, Florida 34997
Phone: 1-800-226-7204
Local: (772) 286-7204
Fax: (772) 288-1339