Chief PAC511, White, Chief PST, PRO, PLP, MSR, MTR, MWH, MWR, PWR, PNR, PDR Chief FUSION, 3.43" (87 mm), 18.4" (467 mm) Chief PAC511. Product color: White, Compatibility: Chief PST, PRO, PLP, MSR, MTR, MWH, MWR, PWR, PNR, PDR Chief FUSION. Width: 3.43" (87 mm), Height: 18.4" (467 mm)