Specifications: 1. columned shape: Length 245mm +/- 2mm, Diameter: 7mm+/- 1mm, A pair(two PCS) packaged in on plastic bag, 1000 pairs in one carton. 2. cone shape: Length 245mm +/- 2mm, Diameter: samll end: 7mm+/- 1mm, big end: 10mm +/- 1mm A pair(two PCS) packaged in on plastic bag, 1000 pairs in one carton.