Model 88 - 3 ton single acting air impact marker Model 98 - 8 ton single acting air impact marker Model 288 - 3 ton double acting air impact marker Model 298 - 8 ton double acting air impact marker MITE-E-MARK - Most compact double acting air impact marker SLIDE-A-MARK - Double acting air impact marker with pre-load feature, and additional tooling options including holders and numbering heads Model 451 - Compact Slide-A-Mark features 3 ton impact with low noise CMT automatic air impact markers for production marking applications feature: Simple Durable Fast