Overview Reviews Product Description The Irwin performance series nutdrivers feature a 3-zone comfort grip for maximum performance and comfort in high and low torque applications.These drivers are crafted with an acetate handle for maximum durability and have a hollow shaft to accommodate long bolts.A 6-sided drive engages fasteners for less stripping and longer life. Irwin Tools Catalog Product Videos Custom Field Manufacturing country TW Product Reviews Write a Review Write a Review × Irwin 5/16 x 3" Performance Series Nut Driver 1948706 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *