• THE average length OF the half-array stones is 18 cm. HALF KNEE is an average of 1 bracelet, depending on your wrist size. The number of stones may vary according to the product. The size you should consider is 18 cm. The average length of the product you see in the image is half of the total length. Only Stones are sent, you can create your own necklace as you wish, create your own necklaces and bracelets by blending them with different sets of stones or necklace tips.