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18537 SKU No.
50 Foot Reel
Single Strand Roller Chain
083 ISO Number
12.7 mm Pitch(P)
4.88 mm Between Inner Plates(b1)
7.75 mm Roller Diameter(d1)
12.9 mm Over All Chain Width(I)
1/2x3/16 Chain Size Designation
4.09 mm Pin Diameter