638 Dim. is + .005; 750 Dim. is + .005-.000.
Unit of Measure

Specifications

No. Teeth

 18

Chain Size

 40

O.D.

 3.140 in

B

 0.638 in

L

 0.720 in

W

 0.284 in

Weight

 0.530 lb

Hardened Teeth

 Yes

UPC Code

 097039905291