SmallRig Four-holes 15mm RailBlock.
The 15mm Rod Clamp attaches to 15mm rods to add 1/4"-20 screw-holes to your camera rig.
Material: Aluminum Alloy
1x Rod clamp
2x 1/4" screws
1x Hex spanner
The rail block, works very well in conjunction with a number of rail applications.Solid material and construction.Love the ratcheting knobs. Locks down nice and tight. The screwholes on top make it very versatile.
Fixed clamp is very good
Fast delivery, customer service attitude is very good also.