If you are a paper crafter, these tools are a staple. They may not be needed every day but nothing performs as well when I need to shape or score die cuts, especially bows, feathers, flowers and petals. They also can be used for molding, sculpting clay, dot art, baking and cake decorating. They are heavy : about 5 oz for the lot. Length : 4.8 Inch Head Diameter A : 0.16 Inch + 0.24 Inch Head Diameter B : 0.31 Inch + 0.51 Inch Head Diameter C : 0.35 Inch + 0.63 Inch Head Diameter D : 0.43 Inch + 0.75 Inch If you would like to buy multiple items, message me before purchase. I consolidate shipping costs.