How the part fits? The clamp consists of two galvanized steel pieces that sandwich two pieces of pipe in a T joint.
Where is it installed? End rail clamps can be used to secure a bottom rail or mid-rail to a chain link fence. Commonly you will see end rail clamps used on backstops, baseball field fencing, tennis court fencing, and outdoor dog kennels.
How many do you need? Each clamp consists of two pieces that together sandwich one T-joint. Typically you will need two clamps per post-to-post stretch of fence.