VERSATILE STUBBY DRIVER: KNECT 7-in-1 Ratcheting Impact-Rated Stubby Screwdriver / Nut Driver features 3 hex nut drivers and 2 double-sided screwdriver bits NUT DRIVER AND BIT SIZES: 1/4, 5/16-Inch nut drivers, #1, #2 Phillips, 3/16, 1/4-Inch slotted, 1/4-Inch bit adapter and 1/2-Inch KNECT collet RATCHETING: Designed for faster driving with the forward, fixed and reverse ratcheting feature KLEIN KNECT (S) COMPATIBLE: Klein KNECT is a cross-compatible driver and ratchet system IMPACT-RATED COMPONENTS: Designed for heavy-duty applications PRECISION-MACHINED TIPS: Provides exact fit into fasteners to reduce cam-out CUSHION-GRIP HANDLES: Offer greater comfort and torque while fastening