Angler Speed Ring for Bolt VB, Quantum Q, & Lumedyne Bolt VS-260F 3x standard refers to a

3x standard refers to a flow control standard allowing you to control traffic throughout the switch

the weighting for this switch is just around 50cN (centi-Newtons)

Adjustable Magnetic Paper Guide

The feet of the holder have a small hole that allow it to be sewn without modification

A zoom thumb-lever for making quick and smooth magnifications is featured

Angler Speed Ring for Bolt VB, Quantum Q, & Lumedyne Bolt VS-260F 3x standard refers to aFor Angler Whiteboxes & Silverboxes Rotates 360 Degrees Self Locking Capability Indexed Flex Rod Holes Two 3 8" 16 Female Threads Aluminum Construction Easily mount a Whitebox or Silverbox series softbox to a Bolt VB, Quantum Q, or Lumedyne flash with this Speed Ring from Angler . Besides simply attaching the modifier, this aluminum ring has an outer rotating ring the enables the softbox to be rotated 360 degrees, which works with the self locking