Aluminum Butt-End Bird Bands w/ Filling Size:3B and a compartment to keep

and a compartment to keep fish alive during sampling

- Enables gear to glide up and down strap during use

Ultrasonic Calibrator

these traps are designed for efficiency and durability

Aluminum Butt-End Bird Bands w/ Filling Size:3B and a compartment to keepReceive a discount per volume. These bands are made of aluminum, whose edges are treated manually to achieve a completely soft and safe band for the bird. To choose the appropriate band for a bird you must take into account the widest measure of the tarsus in the position where the band would be, (take into account the height of the band) and increase to that measure 15. 75% up to 12 mm diameter and 10. 00% for tarshes of greater diameter. The band