1. Made of overall high carbon steel, high temperature quenching, good toughness2. The head is equipped with a drill for accurate positioning3. Triangular handle design, fixed firmly and prevent slipping4. Material: high carbon steel5. Applicable machines: bench drill, hand drill, lithium drill, etc.6. Box size: about 10x19x4.5cm7. Weight: about 435g/setpacking list:- Hole saw x8: about 19/22/29/32/38/44/51/64mm in diameter- Drill x1- Connector x1- Tool wrench x1Specification: Package Weight One Package Weight 0.50kgs / 1.11lb One Package Size 19cm * 10cm * 4.5cm / 7.48inch * 3.94inch * 1.77inch Qty per Carton 60 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 60 pcs = 10620 pcs 40HQ: 412 cartons * 60 pcs = 24720 pcs