Darts Board Stopper “KUSABISpecificationsProduct Contents : 3 pieces of main body.Hardboard fixing item.By inserting it into the gap between the dartboard and the wall, you can easily fix the shaking and tilting of the dartboard.It also prevents unintentional rotation of the dartboard when removing darts.How to installInsert one dart board with the DYNASTY logo facing front into the back of the dart board.Insert the remaining two pieces with the DYNASTY logo facing you, check the level of the dartboard and the wall, and insert them into the back of numbers 15 and 16.The gap between the wall and the dartboard can be inserted up to 16mm.