Product Features: Condition:New Type:Damper Holding Tool Color:As shown in the picture Material: Steel Reverse Fixation Tool Size: 30x12cm / 11.81″×4.72″ Reverse Fixation Tool Inside Diameter: 4.7cm / 1.85″ Hole Size: 9mm / 0.35″ Thread Size: M16 ×1.5, 1/4-25 UNF Portability:Portable convenient and practical. Convenient to transport and store. Comes with a carrying case, includes counter hold tool, tension pins, turning over tool, knurled nut. .