1.These adjustable shoe stretchers allow you to easily relieve the pain of uncomfortable shoes with a simple knob. 2.Relieve discomfort in foot diseases such as corns or bunions. 3.Make the shoes look great without damaging them in any way. 4.With our shoe stretchers, you can alleviate these painful symptoms in a few simple steps by using this advanced two-way mechanism. 5.Simply place the stretcher inside the shoe and turn the knob to increase the pressure. In addition, you can turn the handle to adjust the width of the shoe at the same time. With these simple steps, you can have the look and feel of the shoes as if they were Customized for your feet. 6.In addition, they have specially designed fine-tuning holes that can be inserted into the attached popup decompression chamber; let you zero at the painful pressure pointSpecifications:Universal for left and rightMaterial: good quality wood. Suitable for men and women shoes. Three size optional: 42-46. Two-way stretcher,includes 4 pressure relief chambers. Great for keeping new shoes. Material:Woodincludes:2 x Shoes Stretcher(Shoes NOT included)