Features: Made of high-quality metal, corrosion-resistant, high physical strength and long service life, it is convenient to repair the break or move your vehicleAfter releasing the brake, fix it on the side of the break, which can be used repeatedlyDescription: and high qualityReplace 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 T1070Function: Thread: 1/2inchOverall Length: 4-13/16inchYou can use this bolt to manually release a spring brake on a truck or trailer with air brakesFitment: Fit for most spring brakesFit for most Semi TrucksMaterial: Metalcolour: copperPackage Contents: 3 x Brake Release Bolt AssemblyOnly 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.