Type CDS:
Drill collet with a screw for adjusting length.

CDS6	CDS10	CDS13
1.0mm to 6.0mm	2.0mm to 10.0mm	3.0mm to 13.0mm
1/32" to 15/64"	5/64" to 25/64"	1/8" to 1/2"

Type CTF:
Tap collet with a rubber ring for holding a tap and with no split.

CTF6	CTF10	CTF13
M4 - M5.5	M4 - M8	M5 - M12
1/16" - 3/16"	1/16" - 1/4"	1/16" - 5/16

Type CR:
Reamer collet for straight shank reamer.(JIS)

CR4	CR6	CR10	CR13
2.5mm - 4.0mm	2.5mm - 6.0mm	2.5mm - 10.0mm	3.5mm - 12.0mm
7/54" - 5/32"	7/54" - 15/64"	7/64" - 25/64"	9/64" - 15/32"

Type CS:
Stub drill collet with a rectangle groove and a screw for adjusting drill length.

CS6	CS10	CS13
2.5mm - 6.0mm	2.5mm - 10.0mm	3.5mm - 12.0mm
7/54" - 15/64"	7/64" - 25/64"	9/64" - 15/32"