• Mass weight: 25 oz

• 36" Hydrafusion tube - technology to keep it cold

• Leather buckle strap is easy to use and comfortable on the wrist

Mount to 1-5/8" unistrut (widely available at home improvement/plumbing stores)

SD card capacity

HHA Optimizer Ultra DS-5500 / DS-5519 Sight Hand:LH • Mass weight: 25 ozExclusive yardage wheel allows for rapid yardage settings Sight in using 20 and 60 yards and choose appropriate scale Single pin, pivot sight with large 1 5 8" sight housing Features rheostat to adjust pin brightness in seconds Tool free micro adjust windage Super bright . 010" fiber optic Compatible with blue burst light Weighs 10 oz.