https://www.cat.com/en_US/products/new/attachments/thumbs/pro-series-hydraulic-thumbs.html
Pro Series Hydraulic Thumbs | Cat | Caterpillar
Pro Series Hydraulic Thumbs (Pro and Pro Plus models) offer the best load control.
pro serieshydraulic thumbscat
https://www.cat.com/en_US/products/new/attachments/thumbs/pro-series-hydraulic-thumbs/1000027931.html
671 mm (26 in) 4 Teeth/2 Tines Pro Series Hydraulic Thumbs | Cat | Caterpillar
Pro Series Hydraulic Thumbs (Pro and Pro Plus models) offer the best load control.