Sherrill Mudtools Small Shredder Rasp Replacement Blade 2 Pack for Pottery, Clay, Sculpture Artists Replacement shredder rasp blade 2 pack. Fit the Sherrill Mudtools Small Shredder Tool. Doesnt trap the waste clay in the tool and frustrate the user. Leaves a nice texture in the clay, tool color varies. 2.5" wide. Made in USA!