The Stanley FatMax® Chalk Line has a water-resistant, high-impact ABS case with rubber grips that make it comfortable to hold. It rewinds 3x faster due to the 3:1 gear ratio and has a stainless steel end hook for added durability and rust prevention. The large 45g chalk capacity helps to reduce refilling times. There is also a chalk view window that allows you to see exactly how much chalk you have left. Supplied with: 1 x Blue Chalk Refill 113g and 1 x Fine Tip Black Marker. Ref: UTTK3750