1. Material: stainless steel2. Applicable age: over 14 years old3. Weight: 50g4. During installation, please take care yourself to avoid from be scratching.5. Note: auxiliary tools (cutting pliers and pointed-nose pliers) need to be purchased separately. Specification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 20cm * 15cm * 2cm / 7.87inch * 5.91inch * 0.79inch Qty per Carton 80 Carton Weight 9.00kgs / 19.84lb Carton Size 40cm * 30cm * 40cm / 15.75inch * 11.81inch * 15.75inch Loading Container 20GP: 555 cartons * 80 pcs = 44400 pcs40HQ: 1289 cartons * 80 pcs = 103120 pcs