An implant for placing in the spine is disclosed. The implant has a tool engaging surface on its trailing end configured for intimate engagement with an insertion tool. The insertion tool configuration is particularly suited for implants made of brittle materials including bone and bone substitutes. Also disclosed is an insertion tool having a gripping end adapted for intimate engagement with an implant. In one embodiment, the insertion tool is operable by axial movement of one gripping arm with respect to the other.