Fig. 1 ik-07-019

Fig. 2 IK-07-020

Fig. 4 IK-07-022

Fig. 3 IK-07-025 7.5 mm Hollow Hexagonal 14 cm

9.5 mm Hollow Hexagonal 13.5 cm Fig. 5 IK-07-027

Fig. 6 IK-07-028 9.5 mm Hollow Hexagonal 13.5 cm

IK-08-204  

IK-08-198