With Klein Tools 15-in-1 multi-bit screwdriver carry fewer tools. This screwdriver / nut driver comes with a fixed shaft and internal storage compartment for the screwdriver bits so they stay with the driver. 14 different bits used in HVAC applications plus a 1/4-Inch nut driver should cover the range of all your bit needs. Material Steel Other Bits Schrader Valve Insertion, Core RemovalHex Bits €” TORX Bits #10, #15, #20, #25 Weight 8 oz (227 g) Special Features Internal Storage Compartment for Bits Square Bits #1, #2 Slotted Bits 5/32" (4 mm), 1/4" (6.4 mm) Overall Length 8.5" (21.6 cm) Phillips Bits #0, #1, #2, #3 Type HVAC Nut Driver Sizes 1/4" Combo Bits €” Handle Color Black Shank Length 4" (10.2 cm) Handle Type Cushion Grip Style_Name 15-in-1 Bit Retention Quick Change