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/ExcavatorProduct Features Item Specifications The tooth plate of this backhoe thumb is 18 inches long, 6 inches wide, and 1 2 inch thick. The weld plate is 19 inches long; please measure your bucket before ordering to ensure a proper match. Heavy duty Steel Structure Our backhoe thumb is made of heavy duty thick steel and designed with a triangle structure. Thus, it has acquired excellent durability and stability. The surface is also powder coated to resist