Catalog: Parts: Technic, Connector: 24122: Color Images
Technic, Axle Connector Hub with Two Bar Holders Perpendicular (Lightsaber Hilt)
White
by normann1974
Dark Bluish Gray
by msSquirrel
Black
by msSquirrel
Reddish Brown
by joshbeagrie
Dark Tan
by randyf
Pearl Dark Gray
by jennnifer

Part Color Codes:

 Color  Code  By 
 White  6310183  1  SurplusParts 
 Dark Bluish Gray  6310174  1  SurplusParts 
 Black  6155068  1  jennnifer 
 Black  6280097  2  randyf 
 Reddish Brown  6459423  1  joshbeagrie 
 Dark Tan  6311435  1  Turez 
 Pearl Dark Gray  6135325  1  jennnifer