uxcell 100XL 50 Teeth 10mm Width Rubber Cogged Timing Belt Black 10" 2 Pcs Product Name : Timing Belt;Type : 100XL Number of Teeth : 50;Pitch : 5.08mm/0.2" Belt Width : 10mm / 0.39";Belt Girth : 254mm /10" Material : Rubber;Color : Black Weight : 12g;Package Content : 2Pcs x Timing Belt