New ALM CH045 | Chainsaw Chain 30cm | 12 Inchs | 45 Drive Link Suitable for the following Chainsaws: 40A 41 BG-PC 3735 BG-PC 4040 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**.
eBay