HANDY -- Never again use your teeth, scissors, knives, fingernails, or other unwieldy tools to remove roller bottle or reducer caps. Prevents broken your fingernails too EASY TO USE -- These 3 universal key openers work with all standard essential oil bottles including: 1ml / 2ml sample vials; 3ml / 5ml / 10ml / 15ml / 30ml essential oil standard caps; and 3ml / 5ml / 10ml roller balls. Also great for replacing orifice and roller bottle caps without damage. SAFE AND DURABLE -- These durable removal keys are made of sturdy ABS material with accurate holes to safely insert orifice and roller caps even on metal bottles. It isnt easy to scratch roller than the metal essential oil key tool. MUST-HAVE KEY OPENER -- Stiff, aching, or arthritic hands wont hold you back anymore. Simple operation makes this roller ball key opener tool a must have for essential oil users. EXCELLENT GIFT OR GIVEAWAY -- This essential oil key remover is the perfect stocking stuffer gift or giveaway incentive for your students, customers, or retail buyers. 3-pack (Red / Green / Blue) of colorful essential oil bottle openers Size: 6*3*0.25cm (L*W*H) Precisely designed to help you quickly uncap and then tightly reseal all types of bottle, they feature 60mm, 28mm and 2.2mm diameter keyhole openings. These 3 universal key openers work with all standard essential oil bottles including: 1ml / 2ml sample vials; 3ml / 5ml / 10ml / 15ml / 30ml essential oil standard caps; and 3ml / 5ml / 10ml roller balls. Also great for replacing orifice and roller bottle caps without damage. Simply position the correct size hole over the bottle cap and gently pull. Apply downward pressure to seal after filling. Keep one at home, in office or on your key chain Or share them with friends, family or colleagues. Theyre the perfect solution for anyone who loves Essential Oils - professionals and hobbyists, alike. Stiff, aching, or arthritic hands wont hold you back anymore. Simple operation makes this roller ball key opener tool a must have for essential oil users. Color: rose red, blue, green Size: 6*3*0.25cm (L*W*H) Package includes: -1x Essential oil bottle opener (Red) -1x Essential oil bottle opener (Green) -1x Essential oil bottle opener (Blue)