Features: Made of high-quality metal, corrosion-resistant, high physical strength and long service life, it is convenient for you to repair the break or move your vehicle After releasing the brake, fix it on the side of the break, which can be used repeatedly Description: 100% brand new and high quality Replace Part Number: 800921 179.4019 460-9007003 9007003 PL009 E11988 E-11988 E9114 E-9114 RT1 PL008 05-149 SB30R S-17973 S17973 10043 HD10039 T1070 Function: Thread: 1/2inch Overall Length: 4-13/16inch You can use this bolt to manually release a spring brake on a truck or trailer with air brakes Fitment: Fit for most spring brakes Fit for most Semi Trucks Material: Metal colour: copper Package Contents: 3 x Brake Release Bolt Assembly Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.