Placement Any MCS top plate, vehicle base without a welded pole, or directly to the vehicle floor. Drilling Required:No - when mounting onto a vehicle base of MCS top plate Yes - Drilling is required when mounting directly to the vehicle floor Dimensions: 4.0" H x 3.5" W x 3.5" D Construction: Heavy gauge steel Finish: Black powdercoat Weight 3.0 lbs Note: This item is NOT compatible with the following Vehicle Bases (Item no. DS-52, DS-53, DS-56, DS-57, DS-100, DS-138, 7160-0090, 7160-0116, 7160-0133, 7160-0198, 7160-0248 or 7160-0451).