Size Name: 40mm x 3mm x 3.7mm Description: The tapered pin is a carbon steel bar with a diameter slightly larger than the other end. Suitable for parts that need to be disassembled frequently and require absolute alignment. Designed to hold parts together when installing fasteners Especially for soft plate applications, easy to remove without a bitter. Specifications: Small Aperture: 3mm / 0.12" Large Aperture: 3.7mm / 0.14" Total Length: 40mm / 1.57" Color: Grey Taper: 1:50HRC: 38°C-46°C Material: Carbon Steel Finish: Grinding (Hardened Heat Treatment) Package Included: 20 x Tapered Pins