N025181 Straight, with lock, 18.5cm Straight with lock
N035181 Curved, with lock, 18.5cm elbow with lock
N025201 Straight, with lock, 20cm Straight with lock
N035201 Curved, with lock, 20cm elbow with lock
N025211 Straight, with lock, 21cm Straight with lock
N025231 Straight, with lock, 23cm Straight with lock
N035231 Curved, with lock, 23cm elbow with lock
N025251 Straight, with lock, 25cm Straight with lock
N035251 Curved, with lock, 25cm elbow with lock
1802321 Straight, without lock, 18.5cm Straight without lock
1802322 Straight, without lock, 20cm Straight without lock
1802323 Straight, without lock, 21cm straight without lock
1802324 Straight, without lock, 23cm straight without lock
1802325 Straight, without lock, 25cm straight without lock