哪种钢锯最具通用性，适合切割各种材料？

The Lenox 12132HT50 is a high-tension hacksaw with a 12 in, 24-tooth-per-inch bi-metal blade and rubberized handle. Its I-beam frame supports tension up to 50,000 PSI, stores up to five spare blades, and converts to a jab saw, making it suitable for demanding metal, wood, plastic, and PVC cutting.

Capri Tools 12-Inch Mini Hacksaw 采用紧凑框架，适合在狭窄空间内切割，并配有双金属 24 TPI 锯条。其柔软的人体工学手柄以及对标准 10 in 或 12 in 锯条的兼容性，使其适合 DIY 爱好者、机械师和专业工人使用。

The DEWALT DWHT20547L is a versatile 5-in-1 hacksaw with a 12 in blade, 8 teeth per inch, adjustable 45-degree and 90-degree blade angles, low-profile and long-reach configurations, and a front handle that converts to a pistol-grip jab saw. Its plastic comfort-grip handle and ability to cut wood, metal, and plastic suit DIY users and tradespeople needing one adaptable hand saw.

The Stanley 20-807 is a compact mini hacksaw with a 10 in carbon-steel blade, ergonomic metal handle, thumb rest, and tool-free blade change. Its lightweight design suits DIY users, plumbers, electricians, and workshop tasks involving metal and plastic.

This adjustable steel-frame hacksaw accepts 8, 10, or 12 in blades and includes a 24 TPI blade. Its durable steel construction and comfort-grip steel handle suit DIY users and general cutting tasks.

This high-tension hacksaw has a 12 in steel blade, 24 TPI teeth, a steel frame, and a soft thermoplastic-rubber grip. Quick blade changes and adjustable blade tension make it suitable for DIY users and professionals cutting metal and other materials.