Belt model # 384-3M-12 Dimention length:384mm,width:12mm,teeth spacing:3mm, Fit for pulse charger revolution,pulse slither city skull Arrival within 7-15 days (Ships from and sold by GOOFIT) Product Description Replacement for: Pulse Charger Revolution Pulse Slither City Skull and other 384-3M-12 belt Size: Dimention length:384mm,width:12mm,teeth spacing:3mm package Included: Replacement Drive Belt 3M-384-12 GOOFIT keychain How To Select Drive Belt 1.Check the numbers and letters on the Stock Belt These numbers and letters may be placed together(3M33918),or they may have dashes or forward slashes between them(3M-339/18),or they may have the first 5 digits only(3M-339 or 3393M).Other variations are also possible depending on the manufacturers. 2.If you can’t find the numbers and letters stamped on belt 1) Measure the length of the belts loop 2)Measure the distance from peak to peak of two adjacent belt teeth 3) Measure the width of the belt Ab