PolarPro Basecamp Matte Box VND Kit. + BaseCamp Rail Mount LWS 15mm. -1x VND 2-5 Stop Filter (5.5 x 5.5", 114mm x 114mm) + Soft Case. PolrPro Basecamp Matte Box VN Kit highlights -1x BaseCamp Rail Mount LWS 15mm.
eBay