For MICRO Series Crossbows only. Constructed of BCY DynaFLIGHT 97 material, Excalibur’s MICRO Crossbow String reduces creep while increasing speed. The Excalibur MICRO string also features a new proprietary center serving which will give you increased string life.PatternsStingray Blue – 1993SBZombie Green – 1993ZGAgent Orange – 1993AOPoison Pink – 1993PPBlood Red – 1993BRHornet Yellow – 1993HYStart of lstUrls_of_images_in_html_descriptionProduct Number: 1993xFor MICRO Series Crossbows only. Constructed of BCY DynaFLIGHT 97 material, Excalibur’s MICRO Crossbow String reduces creep while increasing speed. The Excalibur MICRO string also features a new proprietary center serving which will give you increased string life.PatternsStingray Blue – 1993SBZombie Green – 1993ZGAgent Orange – 1993AOPoison Pink – 1993PPBlood Red – 1993BRHornet Yellow – 1993HYEnd of lstUrls_of_images_in_html_description