Wera 899/4/1 K Stainless Steel Sleeve, Universal Bit Holder 1/4" Wera Universal Bit Holder is designed with a strong magnet for a secure hold. Bit holder features a stainless steel sleeve and retaining ring. Suitable for use in power tools with DIN 3126-C6.3. Partner with Wera series 1 insert bits for optimal performance. Features stainless steel sleeve, retaining ring and strong permanent magnet, 1/4" x 50mm shaft Suitable for power tools with DIN 3126-C 6.3 With retaining ring to ensure a firm hold Features a stainless steel sleeve Manufacturer Part #: 05053457001