DescriptionBrand Name : ZUCZUGOrigin : Mainland ChinaModel Number : 34PCS/8PCSCertification : CE34PCS 8PCS Universal AC DC Power Adapter Connector Tips 5.5mmx2.1mm Kits For Lenovo Thinkpad Laptop Power Supply Plug Jack Sets34pcs Universal Laptop Notebook Input DC Power Plug Set Jack Tips for Lenovo Toshiba Dell and most LaptopsUsed for external power source and on-board transformer, it is Universal Laptop NoteBook connectors.Compatible Models: Lenovo, 4-hole Toshiba, 3-hole Dell and most Laptops, Notebooks.Plug male diameter outside/inside(or pin). Note: NOT COMPATIBLE with Mac, 2017 ASUS Q504UA.All the order is referenced to picture attached above, following the order from right to the left.Lenovo square Tip - Yellow - for Lenovo4.5*3.0 mm - Blue - center pin inside, for HP7.9*5.5 mm - Yellow - for Lenovo IBM Thinkpad7.4*5.0 mm - Black - for Dell, HP Compaq Pavilion4-hole Toshiba Tip - Black- for Toshiba3-hole Dell Tip - Black - for Dell6.3*3.0mm DC - Green - for Toshiba Satellite, Lenovo IdeaCentre5.5*2.5mm Tuning Fork - Black - for ASUS, Toshiba, HP, MSI, IBM, Panasonic, Lenovo5.5*2.1mm Tuning Fork - Black - for HP, Sega5.5*1.9mm DC - Black - for Asus5.5*1.5mm DC - Black5.0*2.5mm DC - Black5.0*2.1mm DC - Black4.0*1.35 Tuning Fork - for Asus Zenbook6.0*1.4mm Core pin - Black - for Samsung, Fujitsu, Sony6.3*3.0mm Tuning Fork - Green - for Toshiba, Lenovo5.5*2.5mm DC - White - for Lenovo, Asus, Acer, MSI, BenQ, Toshiba, IBM, Gateway, Haier5.5*2.1mm DC - Blue - for Acer, Toshiba, HP5.5*1.7mm Tuning Fork - Yellow - for Hasee, Acer, Lenovo, Asus, BenQ, Toshiba5.0*1.1mm Core Pin - Yellow4.8*1.7mm Tuning Fork - Yellow - for HP Pavilion, Sony, Asus Eee, NEC, Delta, Compaq4.0*1.7mm Tuning Fork - Yellow - for Asus, BenQ, acer, SonyPSP, HP(mini), GPS Navigator3.5*1.35mm DC - Red - for Fujitsu, Dell, Sharp3.0*1.1mm DC Black - for Samsung5.5*2.5mm Tuning Fork - Yellow - for Lenovo, Asus, Acer, MSI, Toshiba, IBM5.5*2.5mm DC - Black - for Lenovo, Asus, Acer, MSI, BenQ, HEDY, Toshiba, IBM, Gateway, Haier5.5*1.5mm DC - Black5.5*1.7mm Tuning Fork - Yellow - for Gateway, Acer, Delta4.8*1.7mm J-CAM - Black - for HP, Asus, lenovo, NEC, Delta, Compaq3.5mm Mono - for Classic Radio2.5mm Mono - for Audio2.5*0.7mm Tuning Fork - Yellow - for Dell, Samsung, Sharp, Power Supply, Android Tablet2.35*0.8mm Tuning Fork - Yellow2.0*0.5mm Tuning Fork Black