203593A Asymmetric Cogged Belt With 3/4" Top Wdth For Comet 30 Series. 3/4" top width. For Comet 30 Series units. Belt is marked 994-90. Use with 6" driven with 8-11/16" to 8-3/4" center to center distance or with 7" driven with 7-3/4" to 7-13/16" center to center distance