DRILL CHUCK KEY LARGE 4-WAY

The Lisle Corp. Large Master Chuck Key is cast from alloy steel and features strong neodymium magnets to attach to a workbench or toolbox. The keys are numbered 5-8 for identification: #5 is similar to Jacobs key 'K4', #6 is similar to Jacobs key 'K3', #7 is similar to Jacobs key 'K32', #8 is similar to Jacobs key 'K2'.