Features: Material: Aluminum Color: Red, Blue, Black Size: 37 Degree /45 Degree 3 size inner core 1/8" 1/16" 3/32" Fit for: Compound bow Will allow you to see your sight pins better on your hunting sight. About Us: We are a professional archery products store, if you want to buy something about archery, you can search our store name "MILAEM". Delivery: We will dispatch it as soon as possible. Service: If you have any problems or advice, please feel free to contact us, we would like to offer best service for you