Enjoy damage free hanging of wood & metal craft material, photo frames, paintings & more Each Klapit magnetic strip features 2 steel tapes (Alpha Steel Tape & Beta Steel Tape) and a super strong NED magnet between them Set comprises of 4 magnets with steel tapes and each can hold up to 500 g Ideal to be used on Gypsum walls, glass, wood, metal and hard acrylic surfaces Easy to remove, replace & reuse Size of 1 magnet strip: 2.6 x 2.6 x 0.9 cm