JTC-1551 壓縮機皮帶盤支檔扳手

• To fix A/C compressor crankshaft pulley and
  be convenient to install/remove centre screws.
• Adjustable three-stud design for GM R-4
  compressors. also has applications on some gm,
• warner, pitts and ogura clutches.
• Siae of three stud: 3.6, 8.0mm