Made of Borosilicate Glass.
Cat No. Cone Approx O.D. of tube mm. Minimum Shank length mm
4011A 7/16 10 115
4011B 10/19 13 115
4011C 12/21 16 120
4011D 14/23 18 120
4011E 19/26 22 135
4011F 24/29 28 135
4011G 29/32 32 140
4011H 34/35 38 140
