Free tools for trade customers and DIY. Look up belt and bearing sizes, convert 斤兩, and plan your cuts before you buy. All tools are free to use, on your phone or at the workshop.
- V-belt size finder: Mitsuboshi A, B, M, SPZ, SPA, SPB and old O-belts
- Wedge belt substitute finder: which classical belt fits an SPZ, SPA or SPB groove
- Bearing size lookup with full size chart
- Catty & tael converter: HK 斤兩, China 斤, kg, lb
- Linear cut list calculator: bars, tubes, profiles, pipes
- Sheet cut list calculator: plywood, metal sheet, acrylic
- Piece count calculator