This is Top Quality Drive Gear, . Fits For models: 139.53990, 139.53992, 139.53914, 139.53985, 139.53930, 139.5365, 139.53964, 139.53646, 139.53660, 139.53920, 139.53939, 139.184050, 139.18803, 139.18805, 139.18814, 139.18830, 139.53603, 139.53629SRT, 139.53629SRT1, 139.53674SRT2, 139.18850 and 139.18851. Compatible with these models: for , for CHAIN DRIVE garage door opener models: 1040, 1045, 1046, 1050, 1055, 1056, 1060, 100WD, 200WD, 300WD, 110WD, 210WD, 310WD, 1260LK, 1245LK, 215WD, 220ED, 315WD, 320WD, 1240R, 1245R, 1246R, 1255R, 1256R, 985, 2565, 2575, 2595, 140, 150, 240, 350, 450, 550, 700WHC, 701WHC, 1000, 2000, 4000, 4001, 5000, 710WHC, 711WHC, 1100, 2100, 4100, 5100, 7200, 1200, 2200, 4200, 6200, 7220, CG40, 7420, PD752, PD758S Fits For garage door openers models: 13918315SR, 13918415SR, 13918616SR, 13918847, 13918857, 13918869, 13918880, 13953100, 139531006, 13953110, 13953200, 139532006, 13953210, 13953225SRT, 13953225SRT1, 13953300, 139533006, 13953310, 13953315SR, 13953325, 13953325SRT, 13953325SRT1, 13953335SRT3, 13953400, 13953403, 13953413, 13953415SR, 13953425, 13953425SRT, 13953425SRT1, 13953500, 139535006, 13953513, 13953515SR, 13953525, 13953525SRT, 13953535SRT1, 13953600, 139536006, 13953602,13953 Color: White Material: plastic The actual product may have slight color difference or difference, which not affect the use Package Contents: 3*Garage Door Opener Accessories Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.