28 bits, 1 hand holder 813 suitable for the attachment of bits with 1/4" hexagon head drive as per DIN 3126-C 6.3 (ISO 1173) and Wera connection series 1 https://elecena.pl/product/29600705/05049055001-wera-tool-check-plus 2025-12-12 https://elecena.pl/product/29600705/05049055001-wera-tool-check-plus 2026-06-29