Unit：mm
| Model No. | Bolt or Ball ( ∅A ) | Thickness ( B ) | Bolt or Ball Material | Plate Material | Surface Treatment |
| BKT-04-O ZINC | 10 | 2.5 | 12L14 | P-O | White Zinc Plated |
| BKT-04-O BLACK COATED | 12L14 | P-O | Black Coated | ||
| BKTS-04-O SUS304 | SUS303 | SUS304 | Vibratory Grinding |