A Dreamfarm Eggler (DFEG5257). Official specs are 5.9" long x 2.8" wide, 0.13 lb. Polypropylene and stainless steel. Official page lists a cracker for the shell, a stainless-steel peeling paddle under an outer hood, and an integrated wire slicer with an interlocking base plate. Slimline; stores flat. Dishwasher-safe. BPA-free; FDA and LFGB-approved materials. Specs from Dreamfarm's Eggler page.

The hard-boiled egg tool. Crack, peel, then slice on the same piece.