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691771 SKU No.
10 Foot Box
Straight Side
Single Strand Roller Chain
20B-1 ISO Number
31.75 mm Pitch(P)
19.56 mm Between Inner Plates(b1)
19.05 mm Roller Diameter(d1)
43.2 mm Over All Chain Width(I)
1-1/4x3/4 Chain Size Designation
10.19 mm Pin Diameter