titanium, aluminium, steel, iron, bronze, copper, lead and stainless steel

smallest skull (copper) 14.5 x 16 x 21.5 cm (5 3/4 x 6 1/4 x 8 1/2 in.)
largest skull (titanium) 16 x 20 x 17 cm (6 1/4 x 7 7/8 x 6 3/4 in.)
shelf 7.5 x 320.5 x 35.7 cm (2 7/8 x 126 1/8 x 14 in.)
overall 32 x 323 x 35.7 cm (12 5/8 x 127 1/8 x 14 in.)

Executed in 2010, this work is number 1 from an edition of 3 plus 2 artist's proofs.