FEICHAO Universal 15mm Rail Lock Rod Clamp Double Hole Pipe Connector Knob for DSLR Camera Motherboard Shoulder Rail Bracket Kit

Feature:

A large number of 1/4"-20 internal threads
Two holes 18mm apart
Ratchet knob spring
Suitable for 15mm digital SLR camera bracket system
Net weight: 37g
Package Included:

1x pipe clamp