Knowles Manufacturing Co Inc. 5028 Highway 42 , Manitowoc , Wisconsin 54220 USA About Solutions products Companies Knowles Manufacturing Co Inc. Products 1 products found Products Buckets Knowles - Skid Loader Stone Buckets The answer to the job nobody wants to do. The Schuette Stone Bucket will pick stones from the seat of your Skid Loader. Tines are made of 1-1/2' Stress proof Rod, spaced 2-1/2' apart. Tines are easily replaced. Tines are bolted in.