clamp for 7/8" square arm with 3/8" threaded 3" stem - 100 per box - Chrome

This spring clamp   is for a 7/8" square tube. It features a 3" tall 3/8"  threaded stem. Perfect for   Signs and Card holders alike. This spring clamp is very easy to install. They come packaged at 100 per box. This is the perfect item to attach your 3/8" threaded card and/or signholders.