These high quality nails from GEAR Premium® are made of quartz for added durability and resistance to breakage due to sudden temperature changes. Feel the GEAR Premium® difference and order one today! These high quality nails from GEAR Premium® are made of quartz for added durability and resistance to breakage due to sudden temperature changes. Feel the GEAR Premium® difference and order one today! FEATURES & SPECIFICATIONS Joint Diameter Size 10mm Material Glass Colour Clear ADDITIONAL DETAILS Product Features: - Made of quartz What's Included: 1 x 10mm Female XL Diamond Stack Nail