17mm, 20mm, 25mm, 38mm double ball assortment

This double ball mounting assortment comes in four industry-standard sizes: 17mm, 20mm, 25mm (1" B size), and 38mm (1.5" C size).

Each double ball mount has flattened ends that allow for easy printing without supports while retaining full functionality.

If you need double ball adapters with a different size ball at each end, then see 17, 20, 25, 38mm multi-size double ball adapters

Check out my collection of models for mounting systems and accessories .

Dimensions

38mm ball diameter (1.5” RAM C size)

16mm shaft diameter

50mm center-to-center length

25mm ball diameter (1” RAM B size)

12mm shaft diameter

35mm center-to-center length

20mm ball diameter

9mm shaft diameter

28mm center-to-center length

17mm ball diameter

9mm shaft diameter

25mm center-to-center length

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