Swivel column
50 mm [2.0]
— 45 mm [1.7 in]
— 56 mm [2.2 in]
— 60 mm [2.4 in]
— 75 mm [3.0 in]
28 mm [1.1 in]
— 17 mm [0.7 in]
— 25 mm [1.0 in]
— 50 mm [2.0 in]
— 72 mm [2.8 in]
— 101 mm [4.0 in]
— Chrome
— Black
Ø 50 mm swivel column
17 mm extension
— Chrome → 4501586
— Black → 4501585
25 mm extension
— Chrome → 4501588
— Black → 4501587
50 mm extension
— Chrome → 4501590
— Black → 4501589
72 mm extension
— Chrome → 4501592
— Black → 4501591
101 mm extension
— Chrome → 4501594
— Black → 4501593