Chalk line has a heavy-duty case which is constructed of durable aluminum alloy;It has a steel plated hook and large grip anchor ring which provide better holding power;Its retractable self-locking metal handle allows reel to be used as a plumb bob;Its twisted cotton line holds more chalk for multiple line strikes;30m chalk line length, 113g blue chalk

• Strait-Line 10507683 Chalk Line with Blue Chalk Pack

Strait-Line 10507683 Chalk Line with Blue Chalk PackStrait-Line