Lanxri 15mm Railblock Rod Holder With Central Unthreaded 1/4" Mounting Points For Horizontally-mounted Rod Support Product Highlights Standard 15mm dual-port railblock clamp To build horizontally-mounted rod support For attaching 15mm rod-based accessories Mounts via central unthreaded 1/4'' holes Material: aluminum alloy in black Product Description It features standard 15mm double-port rod holder clamp and secures the rods in place by two lever thumbscrews on either end, it's universally applied to set up horizontally-mounted double 15mm rod support system, so that you can add rod-based accessories to support camera lens, flash light, EVF, monitor, etc. Net Weight: 70.3 g You Get: 1 x 15mm Railblock Rod Holder with Central Unthreaded 1/4" Mounting Points 3 x 1/4''-20 Thread Screw 1 x Straight Screwdriver Key 1 x Allen Wrench Before you place an order, please provide me with English information to facilitate our delivery and logistics