09 Ago TPO Thread Protector 1/2 x28 with 1/2 x 28 Crush Washer Steel （1/2×28-6PCS)
1/2’’ x 28 thread for. 223/9mm. Included Components 223 Thread Protector. Solid machined construction. Made from high strength steel, durable and sturdy. Non-Slip knurled surface for quick and easy installation....