Application: It can be used as a snap release clip for planer board, or clipped onto a fishing line with weight as a downrigger for lake trolling species such as kokanee and trouts Material: High-quality ABS Plastic and heavy compression spring for the snap release and stainless steel for the clip Length: Total length - 3.25 inches, snap release - 4.8cm / 1.9inch Packing Width: 0.43 inch Quantity: 4pcs clips and 4 Snap Ring Weights can be changed easily with the snap ring