Check the listing for details. #12 Knight, Thompson Center, CVA, Traditions Sight Screw 6x48 thread (Short). Listed at 4.69 USD. This sight screw is the shorter version of the CVA sight screw. Please know what you need so you get the right one. I also have the longer version listed on Ebay.Here is a Screw that holds the front and rear sight on CVA inlines, Thompson Center inlines and traditional style Thompson Center Hawken barrels, as well as the other Thompson Centers with octagon barrels. It is a 6x48 thread. The overall length is: .235. The thread length is: .154, the head is: .082 tall and is .215 in diameter. This is a stock picture, not actual item, yours will be the same. SHIPPING NOTE: I try to ship 1 to 2 days after receiving cleared payment. According to the Post Office, first class mail could take 2 to 5 days. REFUND POLICY: If you are not happy with your item I will cheerfully refund your purchase price, only. We can not refund shipping. All we ask is that you return your item in the same condition you received it in, and you are responsible for return shipping By bidding on, and purchasing this product you agree to hold harmless Pat's Enterprise LLC from any and all claims arising from the use of this product. NOTE: This part goes on a muzzleloader, blackpowder gun.