Duplex offset link for roller chain American series ASA ANSI B 29,1 ISO/R 606 DIN 8188. Design 3/8". Roller chain characteristics: Pace P=9.525mm . Reel diameter D=5.08mm. Reel width W=4.77mm. Pin diameter d=3.58mm. Pin length C=22.20mm. Made in China under European standards. The roller chains are packed in carton boxes 5 meters per package. They can be cut to desired length. The connceting and offset links are sold by the piece. The roller chains are packed in carton boxes 5 meters per package. They can be cut to desired length. The connceting and offset links are sold by the piece.