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    Home >  Products  > Holders, Adaptors, Connectors  > Holders, Adaptors, Connectors  > BiTorsion Quick-Release Chuck Holders
    BiTorsion Quick-Release Chuck Holders
    Adaptor for hexagon to square drive
    Designed with special BiTorsion zone. The energy from peak loads is diverted into the BiTorsion zone. Considerable reduction of the risk of breakage, much longer service life. 
    Feature
    797 A/4/1 B BiTorsion Bit Holder

    Application: Suitable for 1/4" DIN ISO 1173-C 6,3 and E 6,3 hexagon insert bits and Wera Series 1 and 4
    Design: BiTorsion for long service life, with strong permanent magnet
    Drive: 1/4"-female square socket for use with ratchet or power tool
    Feature
    797 B/4/1 B BiTorsion Bit Holder

    Application: Suitable for 1/4" DIN ISO 1173-C 6,3 and E 6,3 hexagon insert bits and Wera Series 1 and 4
    Design: BiTorsion for long service life, with strong permanent magnet
    Drive: 3/8"-female square socket for use with ratchet or power tool