Front-Clamp gap is 1 inch. Placement is on cutting edge of your bucket. Our Clamp is held onto your bucket by drilling a 1/2" hole. Top of Clamp is threaded to except our 1/2" bolt. This bolt goes through from the bottom of Clamp then up through your bucket to be threaded into Clamp. (No wedging bolt from the top. It just won't hold together.) Benefits are distance front tractor tire is greater; closer to your up tilted bucket for get out another tee-post; No restriction on alignment of tee-posts.