4-in-1 Quick Change Screwdriver #1 and #2 Phillips, 3/16 and 5/16 SlottedConvenient 4 in 1 screwdriver features #1 and #2 Phillips, along with 3 16" and 5 16" slotted Bits reverse in the shaft, and the shaft reverses in the handle, creating 4 screwdrivers in one handle Alloy steel bits Quick and easy to switch bits 7" long, weighs 4. 58 ounces This convenient 4 in 1 screwdriver features two double end bits, with one bit held in each end of the reversible shaft. Alloy steel bits, sizes: #1 Phillip and 3 16" slotted, #2