-Clip on depth finders is perfect to quickly find bottom and set depth for bobber stops and tip-ups - We use a heavy clip, mold these from lead and add 24K Gold plating, so they shine, reflect light, and are easily visible under water. The sturdy clips make for easy on/off use. - Adjust your bobber stop on your line to place it exacly where you want it; keepng your bait off the bottom to your desired depth -Clip this Depth Finders onto your bait and allow it to find the bottow -Made in the USA Clip on depth finders is perfect to quickly find bottom and set depth for bobber stops and tip-ups Adjust your bobber stop on your line to place it exacly where you want it; keepng your bait off the bottom to your desired depth