Package Included: 50 * Steel Needles or 100 * Steel Needles Specification : Name: Steel Needles For Tile Leveling System Material: Stainless Steel Length of Steel Needle: 32mm / 1.26 " Thickness Of Steel Needle: About 1.5mm Wholesale : Support Features : 1. Wear-resistant, recyclable. 2. Easy to use in DIY operation. 3. Balance tiles in the same horizontal position. 4. Improve tile installation speed. 5. Reduce the fatigue / pressure of the installers. 6. There is hardly any crackless, flat surface. 7. The need for grinding and polishing is reduced. 8. Prevent tiles from moving during solidification. Note: 1.Please allow 1-3mm errors due to manual measurement. 2.Due to light and screen setting difference, item's color may be slightly different from the pictures. 3.Thank you for your kind understanding.