Worm thread hose clamp, Chrome steel 1.4016 (W2), according to DIN 3017, Clamping range 12.0 - 20.0 mm, Belt width 9.0 mm
Worm drive type.

For all standard applications where high clamping forces are normally distributed.

Hexagon-head screw a/f 7, with integrated cross-tip, bright galvanised steel, passivated blue.