3M? Hookit? Dust Extraction Flexible Sanding Block Kit 35829 These 3M Hookit blocks combine the lightweight flexibility of traditional foam blocks with the dust extraction power and control of dust-free sanding blocks. The blocks flex to help easily restore contours and bodylines, while providing a firm backing for abrasives. Features 3M Hookit attachment system. They include a vacuum regulator that lets the operator adjust suction for easier block control when sanding. Product Features LIGHTWEIGHT WITH POWER AND CONTROL: Sanding block with a firm-but-flexible backing which helps easily restore contours and bodylines. CAPTURE DUST WITH EASE: When used with a vacuum system and compatible abrasives, the 3M Hookit Dust Extraction Flexible Sanding Block helps capture dust with ease which can increase abrasive life while helping reduce dust in the shop environment ADAPTABLE: The 3M Hookit hook and loop attachment system allows for easy abrasive changeouts. MAXIMIZE DUST CAPTURE: The built-in vacuum control allows the operator to adjust suction to prevent the block from sticking to the substrate while maximizing dust capture The family of blocks is available in four lengths: 5 1/4 inch (133 mm), 7 inch (178 mm), 10 3/4 inch (273 mm) and 16 inch (406 mm) - plus a three-size block kit. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!