Per instructions 5217 for Taylor FAS-DPD Chlorine Drop Test (1 drop= 0.2 or 0.5 ppm) you need:
5217 Instructions
9198 Sample Tube, Graduated, 25 ml, plastic w/cap
R-0003 DPD Reagent #3
R-0870 DPD powder
R-0871 FAS-DPD Titrating Reagent (chlorine)
The K-2005 should contain the sample tube and reagent #3, the instructions you can get from Taylor
http://www.taylortechnologies.com/products_instructions.asp?Type=Number&Number=5217
,
if you add R-0870 and R-0871 you should be all set.