This SmallRig Lightweight RailBlock for 15mm rods with 4pcs 1/4" threads, so you can mount any 1/4"-20 DSLR Rig accessories. 4pcs standard 1/4"-20 thread are 9mm apart.
Meterial: aluminium alloy
SmallRig 888 Lightweight RailBlock for 15mm rods with 4 threads has been discontinued, here are some related products you might like:
This SmallRig Lightweight RailBlock for 15mm rods with 4pcs 1/4" threads, so you can mount any 1/4"-20 DSLR Rig accessories. 4pcs standard 1/4"-20 thread are 9mm apart.
Meterial: aluminium alloy