Remington SPR Electric Shaver Heads and Cutters. Restore your shaver to peak performance with this 360 Pivot & Flex Replacement Head. Full floating heads, dual-track cutters and long-lasting, titanium-coated blades which combine to improve glide across your skin and create an exceptionally close shave. The one-piece, click-in design makes replacing the head a snap. Fits Remington Electric Shaver models R2-405, R-3130, R3130NB, R-3150, R-4100, R-4110, R-4130, R4130NBG, R-4135, R4135XLP, R-4150, R-4155, R-5130, R5130NB, R5130XP, R-5150, R-6130, R6130XP, R-6150, R-7130, R7130CDNNB, R7130NB, R-7150, R-8150.