Ruger 10/22 trigger housing pivot cross pins. Made from stainless steel (non rust all weather) This listing is for "one" pin but order as many as you need and part number you need. 1) Hammer Pivot pin B19 2) Trigger pivot pin B21 3) Magazine Latch Pivot & Ejector pin B35 4) Trigger disconnector pivot pin KE28 New Zealand made. Support NZ Made.