This stem cultivator sweep is 4 in. x 1/4 in. with a 47° stem. It has a 1-3/4 in. bolt center and requires 7/16 in. bolts. Specifications Dimensions: 4" wide x 1/4" thick Stem angle: 47° Construction: Forged steel Mounting pattern: 1-3/4" bolt center Requires two 7/16" grade 5 plow bolts with # 3 head