Check the listing for details. #10 Thompson Center Rifles, & TC Contender, CVA, Sight Screw 6x48 thread. Condition: New. Listed at 4.99 USD. Here is a sight screw that fits both Thompson center, Thompson Center Contender and CVA sights. The picture of the TC sight is one of the examples of what these screws fit. The sight is not for sale in this listing. It will fit others too. It is a 6x48 thread. The overall height is, .162. The thread length is: .120The head is: .042 tallThe head diameter is .200 This is a stock picture, not actual item, yours will be the same. 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.