Ledu L359BK Swing arm fluorescent adjustable clamp-on task lamp, 28 reach, black Black task clamp-on lamp with 28" swing arm with mechanical neck allows four-way movement. 28" swing arm with mechanical neck allows four-way movement. Clamps on up to 2" thick surfaces. Accepts 13W compact fluorescent tube, GEL14650 (included). Color: Black. Black task clamp-on lamp with 28" swing arm with mechanical neck allows four-way movement. Black. 28" swing arm with mechanical neck allows four-way movement. Clamps on up to 2" thick surfaces. Accepts 13W compact fluorescent tube, GEL14650 (included).