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) |
Abrasive Grain | ||
| 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) |
Abrasive Grain |
| 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. | Shape | 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 |  Crossing |
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 | Abrasive Grain | Dimension (mm) |
||
| Coarse | Medium | Fine | ||
| 100 | C | M | F | 100x25x10 |
| 101 | C | M | F | 150x25x15 |
| 111 | C | M | F | 120x50x10 |
| Abrasive Grain - F: Fine / M: Medium / C: Coarse | ||||
Deborit Hand-Lappers
| Model No | Description | Abrasive Grain | Dimension (mm) |
| 15M | Rectangle | M | 150x35x14 |
| 15F | Rectangle | F | 150x35x14 |
| 19F | Half Round | F | 150x35x14 |
| Arasive Grain : F: Fine / M : Medium / C : Coarse | |||