The 3M 2529 Fibrlok II Universal Optical Fiber Splice was designed for splicing any combination of 250 to 900 micron coated fibers. In addition, the universal splice provides a single cleave length for 250 and 900 micron coated fibers. The Fibrlok II can be used with either single mode or multimode fibers with a glass cladding diameter of 125 microns. Description The 3M(TM) Fibrlok(TM) II 2529 Universal Optical Fiber Splice was designed for splicing any combination of 250 to 900 micron coated fibers. This is a pack of 6 pcs of 3M part no. 2529. Mechanical splice capacity of two. Order the Fibrlok Assembly Tool 2501 separately. Features: Singlemode and multimode fibers Aerial, buried, underground, pedestal Inside or outside buildings FTTx, Metro and Enterprise networks High density substitute for connectors Product Sheet: Spec Sheet