- It includes 2pcs of super lightweight 15mm-Railblock.
- Each Super Lightweight 15mm-Railblock comes with two-rod clamps for 15mm rods, which could be tightened via 2 rotatable wingnuts.
- The adjustment of one wingnut will not affect the operation of the other wingnut.
- It is equipped with an abundance of 1/4?? threaded holes for DIY operations.