These Display Clips is made of plastic material which size can be adjust with the aim of holding each size of embedding block Bottom clip can be open about 1-1/2 inches. Sign Clip feels nice and sturdy which is grippy enough to tilt or rotate the sign in any direction for complete display. DOUBLE CLIP DESIGN - (Two Clips) Base clip for holder, Transverse clip for sign. With the pop-up open, insert the rod through the nearest hole in the clevis, and then attach the sign card to the rod on the other side of the POP clip sign holder. Free loading and unloading, free to rotate the upper horizontal clip. WIDE APPLICATION - Clip-On Sign clips can be used as price and merchandise sign display in shop, supermarket or other shopping mall, displays and exhibitions for advertising purposes, displaying notes, reminders and photographs at home or in office, etc. STRONG CLAMPONG FORCE - Two anti-slip mats inside the clip, no need to worry about the clip displacement. With super clamp mouth, Rotatable Clip allows you to adjust it at optimal position, easy to clamp, to rack or shelf. Suitable for cylindrical objects, plates, square tubes, partitions, round tubes, etc. SUITABLE FOR PRICE DISPLAY - Combine the clip on sign with any sale sign, policy sign, or other sign card offered by supply store, shopping malls, supermarkets, fruit shops, retail stores and warehouse that attract customers.