Grip 16 Pc Hole Saw Kit, includes various sizes from 3/4" to 5", high-speed steel material, hex shank, two arbors included, molded plastic case, approximately 4 lbs (1.8 kg), dimensions of case approx. 10" x 8" x 2" (25.4 cm x 20.3 cm x 5.1 cm), Country of Manufacture: China.