VEVOR 45.7 cm Backhoe Thumb, 12 mm Teeth Thickness Heavy Duty Excavator Thumb, BlackVEVOR 45. 7 cm Backhoe Thumb, 12 mm Teeth Thickness Heavy Duty Excavator Thumb, Black Steel Weld On Thumb Attachments with 12mm Bolt On Design Adjustable Mechanical Thumb for Backhoe Excavator 1 2" Thick 18" Long Sharp Thick Teeth Sturdy and Stable Easy to Install Adjustable and Removable Wide Application Tooth plate thickness: 1 2 in,Length: 18 in,Material: Steel,Weight: 24. 7 kg 54 lbs