Anvil offers the industry's most experienced staff for designs and manufacturing of these various size hydraulic clamshell buckets. We offer these in 4 models (HC4, HC5, HC6, HC7) and size from 1/2 to 30 cubic yards and 1,380 to 28,500 lbs in weight depending on style. When the bottom line matters let Anvil provide the hydraulic clamshell bucket that meets or exceeds your production needs.