3 sizes Internal countersinks 12 mm, 20 mm and 30 mm.
One size External countersink Range ø 8-28 mm
2 Pcs. NOGA unique 1/4" adaptors allow you to use all standard power tools. 

Pack Dimensions: 100 x 40 x 95 mm.

Includes :
C12 - BC1211 (BC1211)
C20 - BC2011 (BC2011)
C30 - BC3011 (BC3011)
EX28 - EX3001 (EX3001)
Adaptor for External Countersink - CH1970 (CH1970)
Adaptor for Internal Countersink - CH1950 (CH1950)