Check the listing for details. Hydraulic Thumb Attachment for Mini Excavator&Compact Digger Clamp Kit. Condition: New, Made in United States. Listed at 183.26 USD. Description: Easy to install. Stable characteristics and high reliability. Application: This is suitable for small excavators weighing less than 3 tons. The hydraulic thumb can be easily folded or unfolded, improving the flexibility of the hydraulic thumb clamp. The hydraulic cylinder can be adjusted according to its own operation, making the operation simpler High Quality Material：This Classic Edition Mini Excavator Thumb is made of high quality steel and iron alloy with a sturdy one-piece base that won't damage the hoe arm. This mini excavator hydraulic thumb clamp attachment is powder coated for corrosion resistance and durability, it can do almost any job and can withstand harsh working environments. .