MSAT5 5-Channel Mid-Span Fiber Access Tool Features:5 convenient built-in sizing channels quickly determine the proper diameter channel for buffer tubes ranging from 1.9mm to 3mmLocking mechanism ensures the tool will remain closed during operationSafe, compact & ergonomic design fits comfortably in hand for easy operationRugged polymer construction is lightweight & durable Specifications: Buffer Tube Diameter 0.075″ – 0.118″ (1.9 – 3.0 mm) Material Impact-Resistant Polymer Blade Material SK-5 alloy Weight 1.36 oz (38.5 g) Dimension 3.9″ x 1.5″ x 0.7″ (99 x 38 x 18 mm)