SE-45 & SE-75 Sensing Bumpers: - General purpose pressure-sensitive bumpers for heavy duty applications - 4" and 7" widths, up to 5-3/8" high and 10' long SD-75 Dual-Switch Sensing Bumpers: - A general purpose pressure-sensitive bumper for heavy duty applications - 1 or 2 outputs signals, depending on impact severity Hercules Ruggedized Sensing Bumpers: - A special pressure-sensitive bumper for hostile environments - For harsh applications that are off limits to conventional bumpers - Encapsulated in a rugged polyurethane shell VB-Series High-Impact Sensing Bumpers: - Pressure-sensitive bumpers for applications with high impacts - Very low activation force of 4 lbs