1Adopts nylon material, super strong anti?fall and anti?pressure capacity, excellent fall resistance and pressure?resistant performance. 2Built?in thread all using imported pure copper material, locking tight not drop buckle, can firmly locked without unlocking. 3Easy to install on any fishing chair, 360 degrees adjustable, rotatable, tilted and locked, can adjusted vertical or horizontal, use screw fixed frame. 4Single fixing frame can fix fishing umbrella, bracket, fish guard, bait tray, all these functions available, the advantage of universal multifunction fixed frame is an additional universal adjusting lever on basis of single fixed frame. 5Not limited by any angle when using, can enjoy all angles of use, suitable for fishing fort, fishing box, fishing rod platform, fishing chair, fishing box and umbrella, etc.