Wera 3888/4/1 KSB Rapidaptor Stainless Bit Holder

The Wera 3888/4/1 KSB Rapidaptor Stainless Bit Holder is a universal ¼" hex bit holder designed for rapid one-handed bit changes in professional screwdriving applications.

Built from stainless steel, this bit holder is the ideal solution for tradespeople working with stainless fixings. Extraneous rust — where contact between dissimilar metals causes unsightly or damaging rust transfer — is eliminated entirely when pairing stainless screws with a stainless tool.

The Rapidaptor system sets this holder apart from standard bit holders. Bits are inserted without any need to actuate the sleeve, and removal requires nothing more than pushing the sleeve forward. This allows fast, single-handed bit changes, keeping work moving efficiently without interruption.

Compatible with ¼" hexagon shank bits conforming to DIN ISO 1173-C 6.3, the holder also features a ¼" hexagon drive suitable for power screwdrivers with take-up as per DIN ISO 1173-F 6.3. It is particularly well-suited to applications in marine, food processing, or exterior environments where rust contamination is a genuine concern.

Features and Benefits:
• Rapidaptor technology for tool-free bit insertion and single-handed removal
• Stainless steel construction eliminates extraneous rust when used with stainless fixings
• Compatible with all standard ¼" hex shank bits (DIN ISO 1173-C 6.3)
• Suitable for power screwdrivers with ¼" hex drive (DIN ISO 1173-F 6.3)

Contents:
3888/4/1 K SB Rapidaptor Universal Bit Holder, stainless, 1/4" x 50 mm

Specifications:
Drive Size: 1/4" hexagon
Length: 50 mm
Bit Shank Standard: DIN ISO 1173-C 6.3
Drive Standard: DIN ISO 1173-F 6.3
Material: Stainless steel