Practical Products Co. introduces its new line of T-Shank Jig Saw Blades available in four popular types, which will carry the Tridon trademark. The company says that the high carbon steel blades are being manufactured to the same high-quality standards and specifications as all its Tridon brand tools. Packaged to meet the customers’ needs, the blades come skin packaged on cards of five blades and in packages of 100 blades