Design: Made of zinc die-cast, cross-shaped. With 1/4" plastic adapter and double-bit recess 1 x 7 mm/cross recess PH 2 on a chain and square radiator valve wrench 5 mm.
With step-like inner square 6-7-8-9 mm, outer squares 6-7 and 7-8 mm, outer triangle 9 mm.