This Score High Extractor Rivet Tool is for the Remington 700 in all calibers. Kit includes 20 rivets. Precisely secure rivet style extractors into the bolt face of any caliber using these specially designed pliers. These special clamping style pliers allow you to accurately position the extractor and keep the extractor in position while the rivet is expanded and the extractor is securely crimped into the recess of the bolt face.