The standard finish is Black, but fuse holders in White, Grey or Green colours can be supplied as follows:
White: RS20H, RS20P, RS20F, RS32H. RS32P, RS63H, RS63P, RS100H, RS100P, RS200H, RS200P.
Grey: RS20H, RS20P.
Green: RS20H, RS2OP, RS2OF, RS32H, RS32P.
Black fuse holders are for fuse links.
White fuse holders are for copper links.
Grey and Green fuse holders are for special purpose.