Univesral Knob for 75/100 or 150mm half ball Works with Slidekamera, Manfrotto, Sachtler, Miller and other Half Ball Female thread: M10 or 3/8" (16 UNC or 24 NUF) Made by Slidekamera in EU 

For the location photographer Compatible with Skylite rapid alluminum frames Folds down fast

Material: nickel-plated steelSize: 1/4 inch thread 3/8 inch threadLength: 18mm 

Distinctive vintage style look Double sided Set up anywhere Portable and quick to set up Collapsible to a third of the original size

Easily attach any collapsible backgrounds with a steel rim Reliable magnetic connectors Designed to fit industry standard 5/8 spigot connector

Color: blackMaterial: hard anodized aluminium 

For the location photographer Compatible with Skylite rapid alluminum frames Folds down fast

Hinge brackets attach two Panoramic Background Frames together Six inch skirt allows continuation of skirt Easy to set up Made in the UK

For the location photographer Compatible with Skylite rapid alluminum frames Folds down fast

Allows to mount various kinds of photo/video accessories Wide Range of Movement Plenty number of 1/4" and 3/8" Holes Part of VARIO Modular System by Slidekamera Made in EU by Slidekamera video: https://vimeo.com/259310267