The 3M 05170 hookit block in purple is a versatile workshop supply measuring 70x127mm, designed to securely hold sanding discs in place for smooth and efficient sanding tasks. Produced by the trusted brand 3M, this hookit block ensures a reliable and high-quality product for your workshop needs. This block is a convenient addition to any garage or workshop, providing a sturdy and reliable base for sanding discs to improve your finishing techniques.