MB9 SKU MB9-5050 Rear conduit entry. Includes 5/32 hex key. 10 1/8''H x 8 1/8''W x 4''D. * MB5, MB8, & MB9 are for use with ScramblePad readers, CR20LA, or MR20LA only. Do not use with MR11LA or CR11LA. Must Be Certified To Purchase Hirsch Products Please log in to see price or purchase this item Request an account Line Comment Special Price