Amazon.com: Stylus Pen for hp Elitebook x360, 2048 Pressure Sensitivity, Palm Rejection, Compatible with HP Probook x360, HP Elite x2, HP X2 1012 G2/612 G2(Please Check The Compatible List Before Purchase) :
4KL69AA Active touch stylus Pen For HP HP EliteBook x360 1030 G2 G3 ,1040 G5 G6, Elite x2 G4,Elite x2 1013 G3,L04729-002 - AliExpress
HP - Stylus nib kit - for Elite x2; EliteBook x360; ZBook Studio x360 G5 Mobile Workstation | www.publicsector.shidirect.com
HP x360 11 EMR - Active stylus | www.shi.com
HP EliteBook x360 1030 G7 original Active Pen G3 - sparepartworld.com
Amazon.com: BoxWave Stylus Pen Compatible with HP EliteBook x360 G2 (13.3 in) - AccuPoint Active Stylus, Electronic Stylus with Ultra Fine Tip for HP EliteBook x360 G2 (13.3 in) - Metallic Silver :
Amazon.com: Active Pen G3 for HP Elite x2 1013 G3, HP EliteBook x360 G2/G3/G4,HP ProBook G1/G2, HP Elite Dragonfly Laptop Compatible with HP T4Z24AA 1FH00AA 4KL69AA : Cell Phones & Accessories
Active Touch Stylus Pen For HP EliteBook x360 1020 1030 1040 G2 G3 G4 G5Elite x2 | eBay