Adapter plates enable you to fit a bar to more than one make of chainsaw.
There are different size adapters for different chainsaws. Most popular are the GB912 or the GB914 which allow you to fit lo pro bars or larger bars to Husqvarna chainsaws. You can fit Cannon Bars [S1 mount] or Sugi [SV2] mount to your Husky using GB912 adapter. Or Cannon bars [S2 mount] or GB [HS mount] to Husky saws.
GB912 and GB914 fit to the following Husqvarna chainsaws
Turns D009 Husky 9mm Studs to 12mm [GB912] or 14mm [GB914]
61, 64, 65, 66, 70, 77, 160, 162
163, 180, 181, 185, 260, 263, 266
268, 272, 280, 281, 285, 288, 298
365, 365XP, 371, 372XP, 380, 385XP
390XP, 394XP, 395XP, 575XP, 576XP
2100, 2101, 3120XP
GB1214 fit to the following Stihl chainsaws
Turns D025 12mm Stihl Studs to 14mm [GB1214]
024, MS240
026, MS260, MS261
027, MS270, MS271
028, MS280, MS281029, MS290, MS291
034, MS340, MS341
036, MS360, MS361, MS362
038, MS380, MS381
039, MS390, MS391
041, 044, MS440, MS441
045, MS450, MS451
046, MS460, MS461
048, 065, MS650, MS651
064, MS640, MS641
066, MS660, MS661
GB812 and GB814 fit to the following Echo chainsaws
Turns D176 8mm Studs to 12mm [GB812] or 14mm [GB814]
6702, 6800, CS60
CS500EVL, CS510EVL, CS550EVL
CS600EVL, CS650EVL, CS702EVL
CS451VL, CS452VL, CS500VL
CS602VL, CS610VL, CS660VL, CS750VL
CS5000, CS5500, CS5501, CS6700, CS6701
CS8000, CS8001, CS8002
CS550, CS620SX, CS680
CS8000, CS8001, CS8002