New ALM CH045 | Chainsaw Chain 30cm | 12 Inchs | 45 Drive Link Suitable for the following Chainsaws: PES 40 PES 1540 PES 1640 PES 1635 The drive links are the teeth that run along the inside of your chain bar Please count your drive links carefully Picture is for Illustration only This is an 'ALM' Product and was manufactured as a replacement part for the models listed above**.
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