Ryobi r4sd l13c 4v lithium ion cordless screwdriver ryobi 5133001962 p this 4v screwdriver from ryobi has up to 5nm screwing force and a maximum of 92 screws per charge making it a highly versatile tool the driver also has a quick change hex chuck for easy bit changes and a super bright led work light for illuminating dark work spaces accessories included are ideal for flat pack furniture 1 x hex4 and 1 x pz2 p ryobi 5133001962 r4sd l13c screwdriver 4v 1 x 1 3ah li ion