The set includes: 721QR/20 (40 – 200 Nm) – torque wrench with ½ “QR*” ratchet; 51IMP K 17 – 17 mm ½ long, hexagonal, impact head with protection (green); 51IMP K 19 – 19 mm ½ long, hexagonal, impact head with protection (blue); 51IMP K 21 – 21 mm ½ long, hexagonal, impact head with ...