Material:6061 T6 Aluminum
EGW? Chamber Checkers are machined from solid 6061 T6 aircraft grade aluminum.While some companies use boring bars to make chamber checkers, EGW uses the actual Clymer reamers that are used to chamber barrels.Anodized matte black for durability.Measures min case diameter.Measures max overall length.
Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc.
For more information, go to www.P65Warnings.ca.gov.