Check the listing for details. BSC Tools Speed Driver, Double Square 3.23mm, Deep Rims, Ea. Color: Gray, Condition: New. Listed at 66.99 USD. Installs spoke nipples to the same depth with an adjustable tip length and set screw. For use with an electric drill or a screwdriver standard screwdriver bit 1/4" hex shank (6.35mm). Recessed set screw to avoid catching and scratching your rim. Adjustable tip with supplied insert, suitable for all nipple lengths. 90mm long, 6mm diameter shaft for use in deep rims (BS6000) Enve compatible . 50mm long, 6mm diameter shaft for use in shallow rims (BS6002) Pillar compatible. Slotted drivers are adjustable up to 7mm and suitable for all nipple lengths (BS6006 & BS6008). All parts made of long lasting stainless steel. Includes: spare pin (1), spare M3x2 set screw (1), 1.5mm hex key (1). BSC Tools are priced to be used as shop tools, not for resaleItem Specifications: Description, Double Square.