We provided 3 kinds of fiberglass tape series.Symron L1. Closed-reel fiberglass tape measure with PVC tape coating(13mm 10m,20m,30m,50m)Symron S2. Semi closed-reel fiberglass tape measure with PVC tape coating. (13mm 30m,50m)Symron R3. Open-reel fiberglass tape measure with PVC tape coating. (13mm, 30m,50m,100m)