Clutch stop adjusting screw for your AJP/Braktec levers made by S3. 100% Aluminium, stainless springs, micrometric adjustment, and anodised. S3 laser logo.
I bought a used bike (my first trials bike) and this was either broken when I got it or I broke it. I'm not sure. Either way, I screwed the broken one out, screwed this new one in, adjusted to my liking, and was back in business!