Convenient for tight spaces and portable tools where weight reduction is desired... Hexalobular ultra-short bits for manual screwdrivers. Grooved for easy bit removal. You may not often see these in stores. AK-51P-B8H +1, 2, 3 Hex 2.5, 3, 4, 5, 6 AK-51P-B8T T8, T10, T15, T20, T25, T27, T30, T40 Shipped with tracking. Discounts and individual sales are not available. Thank you.