This animated instructional DVD will teach you about all of the critical components of counterweight systems. It is a great teaching tool for both teachers and students and can also be used to explain the operation of counterweight systems to Architects and General Contractors.
| Item Description | Item No. | List Price | Per | ||
| PDO Counterweight Systems DVD. . . . . . | PDO-TV | $25.50 | each | ||
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| Above free with order of $1,500 or more | |||||