Triple Scale Hydrometer Features: – Easy to Read Marking – Thick Bottom to Avoid Any Breaking – Lead & Mercury Free – Non-toxic Measuring Hydrometer – Easy to clean and Re-usable Test Jar Features: – Crystal Clear PC Cylinder Jar – Ideal Narrow Tube – Solid PC Pipe as Protector of Hydrometer, Fix It in Triangle Base as Test Jar – Easy to Clean and Install – Perfect Gift for Brewers What’s in the Box: – Triple Scale Hydrometer – PC Transparent Pipe – Triangle Base – Instruction Manual Construction Material: – Borosilicate Glass Hydrometer – PC Solid Pipe Technical Specs: – Specific Gravity: 0.99 – 1.16 – Potential Alcohol by Volume: 0%-20% – Brix/Balling: 0-35 – Scale Hydrometer Dimension (D x H): 0.65” x 11” -inches – Test Jar Dimension (D x H): 1” x 11.8” -inches