| Type | Dimensions(mm) Approx. | Thick 15mm approx. | Thick 20mm approx. | Thick 25mm approx. |
| Rectangular | 60x30 | SL160 | SL170 | |
| Rectangular | 70x50 | SL180 | ||
| Semi circular | 60 Dia. | SL161 | SL171 | |
| Semi circular | 200 Dia. | SW435 | ||
| Equilateral Prism | 60x60x60 | SL162 | SL172 | |
| Right angled prism 45° x 45° x 90° | Hypotenuse=60 | SL163 | SL173 | |
| Right angled prism 60° x 30° x 90° | Hypotenuse=60 | SL164 | SL174 | |
| Double concave thin | Width60 X Radius60 | SL165 | SL175 | |
| Double concave thick | Width60 X Radius40 | SL166 | SL176 | |
| Double convex | Width60 X Radius60 | SL167 | SL177 | |
| Plano convex | Width60 X Radius60 | SL168 | SL178 | |
| Plano concave | Width60 X Radius60 | SL169 | SL179 | |
| Trapezoidal | Parallel side 100&40 Height 38 mm | SL190 | Sl191 |