GSR 12V-15: Torque (soft/hard) 15/30 Nm, no-load speed (1st gear/2nd gear) 0–400/0–1300 min-1, torque settings 20+1 GKS 12V-26: 1,400 min-1 no-load speed, 85 mm saw blade diameter, 15 mm saw blade bore diameter GSA 12V-14: Stroke rate (1st gear/2nd gear) 0–3000 min-1, stroke lengths 14.5 mm, cutting depth in wood 65 mm Professional 12V System. Compact power. Maximum freedom. All rechargeable batteries are compatible with new and existing Bosch Professional tools in the same voltage class. Items included: GSR 12V-15, GKS 12V-26, GSA 12V-14, GST 12V-70, GOP 12V-28, GLI 12V-80, GAL 12V-40, 3x3.0Ah GBA 12V battery, XL-BOXX, Weight: 24.9563280584 pounds, Manufacturer: Bosch Professional