High Tension HacksawBlades extended out nose of frame can be locked into place for tight clearance work. Fully adjustable tension-holds blades up to 32,000 psi. Quick-release blade-changing mechanism in handle. Tension guide. Blade storage in frame. Blade Length: 12 in; Handle Material: Plastic; Quantity: 2 per box; Throat Depth: 3 7/8 in; Weight: 1.80 lb.