4 DOUBLE SIDED: This set of modeling ball tools, pack of 4 double sided tools, available in 8 different size increments, can meet your various craft projects needs for different Imaginative effect VIP LIFETIME WARRANTY: Your purchase is protected by a no hassle life time warranty. If you are not 100% satisfied with the quality of the product let us know about the issue. You will be assisted ASAP BALL STYLUS TOOLS MATERIAL: All the balls are made of stainless steel, corrosion resistant, easy to clean and use. with blue comfortable rubber handle or wood handle, easy to grip, convenient to use DUAL ENDS DESIGH: Double-ended metal ball tools includes the huge ball end and the smallest ball tool available, provide more choices of balls, this clay sculpting tools are suitable for both home and school use WIDE APPLICATION: Work better than plastic ball tools, metal being cold allows for better control, use them to make dots, smooth lines in clay, sculpture, make paper flowers and other craft projects