12-Pack Combo: 6 x 5/8×24 Thread Protectors & 6 x 1/2×28 ThreadProtectors -Durab
Precision Fit and Universality: The 5/8×24 thread protectorsthe and 1/2×28 thread protectors ensuring a tight fit and secure installation. Easy Installation: Simply screw on for a secure fit, easy to operate without complex tools or professional skills.