Stainless Steel Small Carabiner Clip, 14Pcs Heavy Duty Spring Snap Hooks Spring Clips Quick Link Keychain, Easy Open and Close for Camping, Hiking, Traveling, Fishing, Backpack, M4 1.57inch music_update_2020 deviation of reflectance: 2% for

deviation of reflectance: 2% for Max

5V AA alkaline batteries in correct direction

1/4" TS Straight on one end

(4) Washers

For use with wall buttons or safety sensors

Stainless Steel Small Carabiner Clip, 14Pcs Heavy Duty Spring Snap Hooks Spring Clips Quick Link Keychain, Easy Open and Close for Camping, Hiking, Traveling, Fishing, Backpack, M4 1.57inch music_update_2020 deviation of reflectance: 2% forStainless Steel Small Carabiner Clip, 14Pcs Heavy Duty Spring Snap Hooks Spring Clips Quick Link Keychain, Easy Open and Close for Camping, Hiking, Traveling, Fishing, Backpack, M4 1. 57inch 14 Pack Small Spring Snap Hook, Heavy Duty 304 Stainless Steel Carabiner Clips Keychain, Quick Link for Camping Hiking Traveling Fishing, 1. 57inch Features: Name: Spring Snap Hook Material: 304 stainless steel Size: M4, 1. 57inch Capacity: 110lb Versatile: Small