This kit has a 1.25" diameter and comes with the following items:

Curved chrome wand w/ button lock - 1.25" x 13" (103505)
13" crevice tool (103086)
5.5" upholstery tool (103087)
Dust brush w/ swivel - 2.5" (103089)
Cuff adapter - 1.25" x 1.25" (103099)
12" carpet tool w/ scallops (103085) 
24" - 40" chrome telescopic wand w/ button lock (106343)