British standard national deep frames DN4, 1st Quality frames supplied in packs of 10's. Flat Packed. Will require Wired Foundation (sold separately) 

Dimensions

Lug to Lug - 43.3cm

Internal Side Bar to side bar  (wax space)- 33.4cm

Inside Top to Bottom -18.9cm

External top to bottom - 21.6cm

External side bar to side bar 35.6cm