Catalog number (Black)	Catalog number (Gray)	Thread	Packing (pcs)
K24090400	K25090400	PF 1/2	100
K24090600	K25090600	PF 3/4	50
K24091000	K25091000	PF 1	50
K24091200	K25091200	PF 1-1/4	50