Overview Product Description 231150 New-No Box; Martin 40B16SS-7/8 Sprocket #40; SS; 16 Teeth; 7/8"ID; . Item is New; unused; no factory packaging. Austin Surplus SKU: 231150 Location: GRG-R14-P07-S05-B-0006365 Product Videos Custom Field MPN 40B16SS-7/8 Product Reviews