# Block Tools [GstarCAD 2021](Help%20System/GSTARCAD/2021/Index.md) → [User Guide](Help%20System/GSTARCAD/2021/User%20Guide/(User%20Guide).md) → [Express tool](Help%20System/GSTARCAD/2021/User%20Guide/Express%20tool/(Express%20tool).md) - [Block Break](Blocks/Block%20Break--fd25337483b8.md) - [Replace Block With Another Block](Blocks/Replace%20Block--5bbcfc727103.md) - [Copy Nested Objects](Blocks/Copy%20Nested%20Objects--9b994e640507.md) - [Explode Attributes to Text](Blocks/Explode%20Attribute%20to%20Text--8f5a56ef3885.md) - [Attribute Increment](Blocks/Attribute%20Increment%20Command--d1cea3323fd4.md) - [Export Attributes Information](Blocks/Export%20Attribute%20Information--ec5afce324ae.md) - [Import Attributes Information](Blocks/Import%20Attribute%20Information--8ca88562be6a.md) - [Stat.Blocks Number](Blocks/Statistics%20Blocks%20Number--68b2aa424d8a.md) - [Count Blocks](Blocks/Count%20Blocks--145dd5f934d0.md) - [Change Block Color](Blocks/Change%20Block%20Color--f8b2f7aeca51.md) - [Change Block Linewidth](Blocks/Change%20Block%20Linewidth--ec0b2c95b0f7.md) - [Change Block Text Angle](Blocks/Change%20Block%20Text%20Angle--0221180daa9d.md) - [Change Block Text High](Blocks/Change%20Block%20Text%20High--c27949447396.md) - [Change Block Layer](Blocks/Change%20Block%20Layer--14d5a440d650.md) - [Convert Block to Xref](Blocks/Convert%20BLOCK%20to%20XREF--acbb53cf5f3f.md) - [List Xref/Block Properties](Blocks/List%20Xref-Block%20Properties--7c1489514cf0.md) - [Trim to Nested Objects](Blocks/Trim%20to%20Nested%20Objects--71af3d328a9c.md) - [Extend to Nested Objects](Blocks/Extend%20to%20Nested%20Objects--e4e0e0588b77.md) - [External Reference Relocate](Blocks/External%20Reference%20Relocate--5900c006f941.md) --- Gstarsoft Co.,Ltd