Would have to be attached by glue - no pegs on this corpus. This beautifully detailed corpus comes with an INRI sign ready to attach to a cross. The corpus measures 1"(2.5cm) in height x 3/4"(2cm) in width. The INRI sign measures 4mm x 6mm. Silver oxidized and imported from Italy. Each corpus is die cast from metal with beautiful detail and quality. As a general guideline, the cross should be approximately 2 times the height of the corpus, but this can vary significantly depending on your personal preference.