Knew Concepts Mk.IV 3" HD Saw Frame with Lever Tension & Swivel Blade Clamps Handler Steel construction—the current standard material

Steel construction—the current standard material since the late 1990s

Made in England by Durston

5 mm – 15 mm

Magnification 10X Lens Type Aplanatic triplet Lens Diameter 23mm Housing Folding plastic Model Eschenbach 1182-10

60mm (qty 2)

Knew Concepts Mk.IV 3" HD Saw Frame with Lever Tension & Swivel Blade Clamps Handler Steel construction—the current standard materialThe Knew Concepts Mk. IV 3" Heavy Duty Jeweler's Saw Frame combines a cam lever tension system with 360 swivel blade clamps for maximum rigidity and cutting control. The upgraded Mk. IV design features a heavier frame that delivers up to 60 pounds of blade tensiontwo to three times greater than earlier generationseliminating frame flex and dramatically improving accuracy on dense or hard materials. Machined from heat treated aluminum, this frame is