Choose reach without changing the screw profile.
The six-piece S2 length set spans 25, 50, 65, 70, 90 and 150 mm. It gives buyers a concrete way to select access length for exposed and recessed screws.
Make the grade visible.
PH2 50 mm, 12-piece packs are offered in S2 and S3 catalog grades. Keep them as separate purchasing choices. Neither designation alone proves a specific hardness or service-life advantage.
Build around the fasteners customers use.
T25-only packs support repeated T25 work. The 10-piece S2 mixed-profile pack covers PH1/2/3, PZ1/2/3, SL4/5/6 and one non-slip bit. Dedicated PH2 packs support focused replacement sales.