hand held metal detectors

Tool kits comprising carpenter's levels, hand saws, and power-driven saws; Slide calipers; Rulers (measuring instruments); Safety goggles; Tape measures; Surveyor's levels; Protective helmets; Workmen's protective face-shields; Knee-pads for workers; Reflective safety vests; Protective gloves for industrial use; Carpenter's rulers; Protective industrial shoes; Protective masks; Square rulers for measuring; Shoes for protection against accidents, irradiation and fire