400PCS Plastic Shims Set, Horseshoe Shims, U Shaped Tile Spacers, Versatile Leveling and Alignment Tools, Includes Blue, Red, Yellow, Black

【Size】Thickness of the window shims: 1/16”, 1/8”, 3/16”, 1/4”. Length & Width of glazing shims: 1.97 x 1.3 inches., 【Material】The tile shims are made of PP, which is reliable and stable, and not easy to break., 【Easy Classification】4 colors of horseshoe shims correspond to 4 thicknesses, making it easy for you to distinguish and use., 【U Shaped Design】The horseshoe spacer is designed in a horseshoe and U-shaped form, providing a stable structure that makes it convenient and efficient to be used., 【Easy to Operate】You just need to put the prongs of the U shims in the grout joint to align and space, and there will be a proper interval. The U spacers are great for spacing tiles, window installation, aligning marble, granite, and other needs f