Arthroscope 1.9 mm  60 mm  0° / 30°

Trocar sheath with 1 fixed stopcock, (outer diameter 2.8 mm)  ，Trocar sheath with 2 fixed stopcocks 110°, HSW-Lock (outer diameter 2.8 mm) ，Trocar triangular / Obturator blunt / Obturator conical blunt 

Arthroscope 2.7 mm  140 mm  0° / 30°/ 70°

Trocar sheath with 2 rotatable stopcock, (outer diameter 4.0 mm)  ，Trocar sheath with 1 fixed stopcocks 110°, HSW-Lock (outer diameter 4.0 mmt) ，Trocar triangular / Oburator blunt / Obturator conical blunt 

Arthroscope 4.0 mm 185 mm 0° / 30° /70°  ( 4K )

Quick-Lock trocar sheath with 2 rotatable stopcocks (outer diameter 6.0 mm) ， Quick-Lock trocar sheath with 1 rotatable stopcock (outer diameter 6.0 mm) ，Trocar triangular / Obturator blunt / Obturator conical blunt 

Trocar sheath with 2 rotatable stopcocks, HSW-Lock (outer diameter 5.8 mm) ， Trocar triangular /Obturator blunt/Obturator conical blunt