Watch Click Spring Hardness: How Hardness Affects Durability
作者: Funny Items
发布时间: 2026-08-21 15:14:13
查看数: 54
Hardness Matters
Click spring hardness affects durability and feel.
Hardness Guide
- Steel: 40-50 HRC most durable
- Brass: 20-30 HRC good durability
- Titanium: 30-40 HRC lightweight durability