3/8” VARIABLE SPEED
REVERSIBLE DRILL
Model 3670 
Set up and Operating Instructions
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Copyright© 2003 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.
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Manual revised 10g
