Art. 337/B - accessory to Article 37
Art. 337/C - accessory to Article 37
Art. 337/D - accessory to Article 37
Art. 337 - Round vertical Bolt Base mm 33 Slider Ø mm 13
Art. 336 - Horizontal round chain complete meeting
Art. 334 - Horizontal chain complete meeting
Art. 332 - Light shaped outer-border bolt with built-in keeper
Art. 333 - Basic cannon bolt mm. 31 with built-in keeper
Art. 331 - Light snap-fit bolt
Art. 221 - Rack bolt mm. 60 - 80