ROKK Mini Cable Tie MountOver-size rail mount base that fits a wide range of non standard rail sizes.Compatible with:Square and Round sections – minimum diameter 2.3″ (60mm) and maximum diameter 3.9″ (100mm) In the Box:Rail mountCable ties 4 x 300mm (11.8″) Cable Ties*Sold as an Individual Specifications:Cut/Uncut: CutMounting Style: RailBox Dimensions: 2″H x 4″W x 5″L WT: 0.3 lbsUPC: 5060114795563Quick Guide (pdf)