got some plec caves for sale
made from approx 3mm slate 60x30mm opening x 220 long
also just made up some off these and theres 6 going spare
they are 30mmx60mmx120mm.
small £6 each
large £7 each
including p+p (yes free postage)
can make any size you want.............................
heres another one
just made these yesterday for someone.
these ones slope from front to back its only 3or4mm slope. but this is what the guy wanted. less chance of eggs or wrigglers being kicked out.(could work i suppose) and he wanted gravel sticking on them too.