TECHNICS; SLB2 SLB21 SLB3 SLD2 SLD3 SLH302 SLH304 SLQ4 & SLQ5. For TECHNICS. The two most common stylus shapes are spherical (conical) styli and elliptical styli (bi-radial). A typical conical stylus tip (similar to a ball point pen) has a larger radius (compared to an elliptical stylus).
eBay