Portable Screwdriver: Made of precision cast steel. 100% new high quality men’s keychain backpack, simple keychain screwdriver is light and easy to carry, you can use wrench screwdriver and hex screwdriver anytime and anywhere. screwdriver / flat head screwdriver / 8mm hex socket wrench / 6mm hex socket wrench. Pocket Screwdriver Wrench Size: Overall Length: 70mm. Shaft length: 35mm. Phillips screwdriver: PH1 (1#) * 35 mm (3/16 inch). flathead screwdriver: SL 4.5 x 35 mm (3/16 inch). Hex nut starter: M3.5 6mm (7/32 inch) starter nut. 8mm (5/16 inch) M5 start nut. DAILY USE: This mini screwdriver set is very convenient to carry, can be used for daily repairs or camping etc. The screwdriver keychain is a must-have partner in the family’s daily life. Buy it now and surprise your family! Give him a backpack keychain perfect intimate gift. A GREAT GIFT: Christmas gift, men’s socks for Christmas, socks for dad, dad keychain from daughter, graduation , birthday, anniversary, sock filler,