- Trial bag version (1 in. x 10 ft.) of 3M Dual Lock Reclosable Fastener SJ3550
- Great for small jobs, prototyping and design evaluation
- Black, interlocking mushroom-shaped heads (250 stem density per square inch) provide strong, reliable and durable fastening that can be opened and closed multiple times
- Mates with Type 170, Type 250 or Type 400 to provide different strength combinations
International Buyers – Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.