Dura blocks are the perfect blocking tool! Dura-Blocks are ideal for wet & dry sanding. 7-piece EVA rubber block set comes in many of lengths & configurations to level a variety of contours & flat surfaces. Abrasive papers sold separately. Closed-cell EVA rubber creates a sanding block that provides just the right amount of support & "give" as you s&, wet or dry. Compared to working with sandpaper alone, these large, easy-to-hold sanding blocks help you work longer because there's less hand fatigue. This 7-piece set
Includes:: a variety of block shapes & sizes to help you level all types of flat & contoured surfaces, for a truly professional, show-car finish. Always wear eye, skin & respiratory protection when using Dura-Block Sanding Blocks or other sanders. Make sure you are in a well-ventilated area & follow the safety precautions on paint & filler labels. Sizes ; Largest 41cm length 7cm wide, smallest 14cm length 6.5cm wide