Laser 5371 Straight Edge 610mm Length Ideal For Checking Distortion & Alignment Features and Benefits: Long straight edge, ideal for many automotive and engineering tasks, ideal for checking distortion and alignment.Size: 610mm x 50mm x 6mm.Ideal for checking cylinder head distortion, and for DSG clutch alignment (equivalent to VAG OEM tool T40100).Manufactured from S50C carbon steel plate to accuracy of 0.03mmUse with Laser 6718 DSG kit