V Seven Thread Protector 1/2 X 28. Cross contamination can occur when a guest touches the host while the guest is in the reloading stage or while traveling to/from the range. Cross contamination can also occur when the guest scratches the host's thread while in transit or while at the range. It is the user's responsibility to protect the threads from damage while the guest is in the reloading stage or while traveling to/from the range. It is the user's responsibility to protect the threads from damage while the guest is in the reloading stage. It is the sole responsibility of the user to protect the threads of the host weapon at all times. It is the shooters/installers responsibility to protect the threads of the host weapon out of the occupied space and prevent damage to the host pistol when the guest is in the reloading stage or otherwise tampering with the threads of the guest thread. Using improper tools or a dummy insert a dummy plug will be responsible for damage to the host pistol. Package Contents: V Seven Thread Protector V Seven TP-5.56: Thread Protector 1/2 X 28