1. Material: ABS plastic2. Small size, easy to carry, open holes at any time3. Easy positioning, accurate data, saving time and effort4. Two specifications of 35mm / 40mm aperture are common, easy to measure5. Dimensions: 85X40 mmSpecification: Package Weight One Package Weight 0.10kgs / 0.23lb One Package Size 10cm * 8cm * 5cm / 3.94inch * 3.15inch * 1.97inch Qty per Carton 288 Carton Weight 30.00kgs / 66.14lb Carton Size 50cm * 50cm * 60cm / 19.69inch * 19.69inch * 23.62inch Loading Container 20GP: 177 cartons * 288 pcs = 50976 pcs 40HQ: 412 cartons * 288 pcs = 118656 pcs