The Stanley FatMax® 30 metre Chalk Line is enclosed in a durable die-cast aluminium housing with a patented chalk view window to see exactly how much chalk is left. It contains 100ft of 50lb polyester/nylon string and will hold over 1.5oz of chalk.A release button allows a line extension without handle rotation, the line can be quickly rewound due to the 5:1 gear ratio. The specially designed hook grabs on side, top or bottom for versatility. Specification: Length: 30m (100 ft).   Ref: UTTK3748