Abstract: A shaving razor blade unit including a housing having a primary guard at a front of the housing and a primary cap at an upper surface at a back of the housing, one or more primary shaving blades between the primary guard and the primary cap, a rear wall having a rear exterior surface extending downward from the upper surface at the back of the housing to a terminating surface, and a trimming blade mounted on the rear wall and having a trimming cutting edge extending at least partially beyond the terminating surface inside of an imaginary extension of the rear exterior surface, the rear exterior surface defining a secondary cap for the trimming blade. The back of the housing can include trimming guard including spaced guard segments. The trimming blade, trimming guard and trimming cap can be provided as an assembly that is attached to the rest of the housing. The assembly can include a sheet metal support with a blade welded to the support.

Abstract: A shaving razor blade unit including a housing having a primary guard at a front of the housing and a primary cap at an upper surface at a back of the housing, one or more primary shaving blades between the primary guard and the primary cap, a rear wall having a rear exterior surface extending downward from the upper surface at the back of the housing to a terminating surface, and a trimming blade mounted on the rear wall and having a trimming cutting edge extending at least partially beyond the terminating surface inside of an imaginary extension of the rear exterior surface, the rear exterior surface defining a secondary cap for the trimming blade. The back of the housing can include trimming guard including spaced guard segments. The trimming blade, trimming guard and trimming cap can be provided as an assembly that is attached to the rest of the housing. The assembly can include a sheet metal support with a blade welded to the support.