Ruby Whetstone & Sticks
| Ruby abrasive stone are made from sintered crystals of synthetic ruby. They are extremely hard. Maintain their shape well and are resistant to wear. They can sharpen and finish extremely hard material such as carbide gravers. Also work on non-metal like glass, porcelain and quartz. |
| Description | Model No. | Dimension (mm) |
Grit | ||
| Coarse | Medium | Fine | |||
 Triangle |
200 | 100x4 | C | M | F |
| 201 | 100x6 | C | M | F | |
| 202 | 100x8 | C | M | F | |
| 203 | 100x10 | C | M | F | |
| 205 | 100x13 | C | M | F | |
 Square |
210 | 100x4 | C | M | F |
| 211 | 100x6 | C | M | F | |
| 212 | 100x8 | C | M | F | |
| 213 | 100x10 | C | M | F | |
| 214 | 100x13 | C | M | F | |
 Round, Pointed |
261 | 100x5 | F | ||
 Round |
260 | 100x3 | C | M | F |
| 270 | 100x4 | C | M | F | |
| 271 | 100x6 | C | M | F | |
| 272 | 100x8 | C | M | F | |
| 273 | 100x10 | C | M | F | |
 Flat |
220 | 100x6x3 | C | M | F |
| 221 | 100x8x6 | C | M | F | |
 Half-Round |
231 | 100x10 | C | M | |
 Diamond |
240 | 100x5x2 | C | ||
 Round/Tapered end |
255 | 100x13x5 | C | ||
 Knife |
291 | 100x15x3-0.5 | M | F | |
 Tapered Rounded Edge |
105 | 100x30x7-2 | M | ||
RS#700 Polishing Stone Sets
| Model No. | Dimension (Inch) | Grit |
| 203M | 4” x 3/8” | M |
| 231M | 4” x 3/8” | M |
| 221F | 4” x 5/16” x 1/4” | F |
| 231C | 4” x 3/8” | C |
| 271M | 4” x 1/4” | M |
RS#420 Ruby Midget File Assortment
 |
Ruby stones are extremely fast cutting and perform well on all tool steels. They provide sharp cutting action for fast stock removal. The ruby stone’s consistent breakdown allows the stone to be used dry without loading. RS#420 Ruby Midget File Assortment Midget stone set comprises of 11 stones (see below) - plus one double-ended holder with two collets. |
| Model No. | Description | Grit | Dimension (mm) | |
| 400 | A | 
Square |
F | 50 x 1 |
| 401 | B | 
Round |
F | 50 x 1 |
| 402 | C | 
Triangle |
F | 50 x 2 |
| 403 | E |
Square |
F | 100 x 2 |
| 404 | F |
Round |
F | 100 x 2 |
| 405 | G |
Round |
F | 100 x 3 |
| 406 | D | 
Flat |
F | 50 x 3 x 0.3 |
| 407 | H | 
Half-Round |
F | 100 x 4 |
| 409 | I |
Triangle |
F | 100 x 5 x 1.5 |
| 411 | J | 
橢Round |
F | 100 x 4 x 1.5 |
| 413 | K |
Triangle |
F | 100 x 3 |
| RS#420 | Hand grinding set with tool | |||
Ruby Bench Stones
| Model No. | Grit | Dimension (mm) |
||
| Coarse | Medium | Fine | ||
| 100 | C | M | F | 100x25x10 |
| 101 | C | M | F | 150x25x15 |
| 111 | C | M | F | 120x50x10 |
| Arasive Grain : F: Fine / M : Medium / C : Coarse | ||||
Deborit Hand-Lappers
| Model No. | Dimension | Grit | Dimension (mm) |
| 15M | Rectangle | M | 150x35x14 |
| 15F | Rectangle | F | 150x35x14 |
| 19F | Half-Round | F | 150x35x14 |
| Arasive Grain : F: Fine / M : Medium / C : Coarse | |||