Arcus Violin Bow P6 Round Silver 4/4. The P-series bows offer extra strength and resiliency. They are ideal for all rather strong violins with high tension strings. Available in either round or octagonal sticks. The the round sticks are rather calm and steady, whilst the octagonal are quite agile and lively. They are a great match for 5- and 6-string violins catching the lower strings with perfect ease. They weigh around 53 grams, drawing a round and warm sound.