| model | function | material quality | colour | With key | surface treatment | Weight (g) | H | 3D |
| EC21-M12-16-D | cylinder lock | zinc alloy | silvery white | have | chrome plating | 24.61 | 16 | Download |
| EC21-M12-20-D | cylinder lock | zinc alloy | silvery white | have | chrome plating | 25.3 | 20 | Download |
| EC21-M12-25-D | cylinder lock | zinc alloy | silvery white | have | chrome plating | 27.6 | 25 | Download |
| EC21-M18-16-D | cylinder lock | zinc alloy | silvery white | have | nickel plating | 1 | 16 | Download |
| EC21-M18-20-D | cylinder lock | zinc alloy | silvery white | have | nickel plating | 1 | 20 | Download |
| EC21-M18-25-D | cylinder lock | zinc alloy | silvery white | have | nickel plating | 1 | 25 | Download |
| EC21-M18-30-D | cylinder lock | zinc alloy | silvery white | have | nickel plating | 1 | 30 | Download |
| EC21-M18-16-U | cylinder lock | zinc alloy | silvery white | have | nickel plating | 39.7 | 16 | Download |
| EC21-M18-20-U | cylinder lock | zinc alloy | silvery white | have | nickel plating | 40.9 | 20 | Download |
| EC21-M18-25-U | cylinder lock | zinc alloy | silvery white | have | nickel plating | 44.9 | 25 | Download |
| EC21-M18-30-U | cylinder lock | zinc alloy | silvery white | have | nickel plating | 48.41 | 30 | Download |
