No charge when ordered with Part No. 5010035, 5010036, 5010038, 5010039, 5010040, 5010041, 5010042, 5010043, 5010044. Items described as BDL- …, with Item Numbers having a ‘B’ suffix, have reduced prices that are only available when purchased along with certain other items. Call Motion Control, Inc. at 801-326-3434 for details.