Coventry die chasers, BSW thread, sets of four. Condition is "Used". 
Please read the descriptions below and refer to the numbered sets in the photos. Prices vary with wear and die size.

for 1" die head:

1/8" thread, type S

Set 39 & 40, unground

Set 41 & 42, ground approx 8mm

Set 43, ground approx 5mm

for 3/4" die head:

Set 44, 3/4" thread, type S, unground

Dispatched with Royal Mail 2nd Class.