Beadaholique Czech Crystal Brass Rhinestone Cup Chain 18PP Turquoise (By The Foot) Color: Brass, Turquoise Materials: Czech Crystal Measurements: Total width is approximately 2.5mm with 2.4mm depth. Rhinestones are PP18 or 2.5mm in diameter. Space bewtween each link is 1.2mm. Quantity: 1 Foot Shape: Square