Deep Six Hydrometer Size:12" x 10" x 11" USEF rules state to measure

USEF rules state to measure the spur from the base of the spur to the end of the tip

The stainless steel hardware will last to give you lots of use from these adorable spur straps

The patented center plate construction and symmetrical prong placement provide natural contact for optimal communication

With a durable yet lightweight red plastic head

Merry Christmas

Deep Six Hydrometer Size:12" x 10" x 11" USEF rules state to measureThe Deep Six Is Accurate to + 0. 001 Specific Gravity. It Gives Temperature Corrected Readings In Warm Water Aquariums In Either Ppt Or Specific Gravity. It has a Durable Construction and Easy to Read Scales that Will Provide Years of Reliable PerFormance. Color: clear Size: 12" x 10" x 11"