The Miedema A7002072 is a genuine OEM tensioner reverse roller designed for Miedema CP 42 series planters, including models CP 42 P, CP 42 F, CP 42 K, CP 42 T, CP 42 L, CP 42 R, CP 42 M, CP 42 S, CP 42 V, CP 42 W, CP 42 X, CP 42 Y, and CP 42 Z. This critical component ensures proper tension and smooth operation of the planter's reverse mechanism, contributing to reliable performance and extended machine life. With an outer diameter of 50 mm, an inner diameter of 17 mm, and a width of 20 mm, this roller is built to precise specifications for a perfect fit and optimal functionality.