SENQCIA Inspire Series™ SBR® spring clip type British Standard connecting links are manufactured in Japan in accordance with the ISO 606B International roller chain standard. They offer exceptional performance and long life in a wide variety applications. Spring clips are supplied with slip fit closing plates for ease of assembly in the field. Closing plates are flat style to improve fatigue strength. Connecting links are used to connect the ends of the roller chain strand into an endless loop. Each connecting link is individually packaged in a sealed plastic bag. SENQCIA Inspire Series™ SBR® Connecting Link, British Standard Double Strand Spring Clip, 12B-2 Chain, 3/4 in Pitch, 1.7 in Overall Width, 0.225 in Pin Dia, 0.634 in Link Plate Height, 0.07 in Link Plate Thickness, Carbon Steel