Bostitch QuietSharp  Executive Electric Pencil Sharpener, Black (EPS8HD-BLK) 65% faster sharpening and a 6x longer cutter life QuietSharp motor for quiet, stall-free operation (under normal use) Tip Saver Technology prevents over sharpening and extends pencil life Safety switch inhibits operation when easy-clean shavings receptacle is removed Thermal overload protection increases motor life