... : normal key / computer key 4) single cylinder lock , brass cylinder 1. body : brass core : brass knob : brass 2. pin : 5 or 6 ... *32.9 mm / 9.8*16.8*32.8 mm6. Knob : peanut button , sector button , rhombus button , oval button Cylinder type ... 0no hoodleEcompute key 1oval handleOOno hoodle no groove 2round handle knob lock cylinder