Proskit 8PK-326 Fiber Optical Stripper Features:The biggest hole for stripping 1.6~3mm jacketto expose 600~900um bufferThe second hole for stripping 600~900um buffer to expose 250um coatingThe smallest hole for stripping 250um coating to expose 125um claddingPre-set at the factory -no adjustments neededWill not scratch or nick glass fiberAll stripping surfaces are manufactured to precise tolerances to assure clean, smooth stripsComfort-grip, ergonomic handlesLock to hold tool closed when it is not in use Specification: Material HRC Length Individual Packing S50C 48±2 148mm Blister Card Ordering Information: Model Name Manufacturer 8PK-326 Fiber Optical Stripper Pro’sKit from Taiwan, ROC