Armbuster by Andrew Mayne

Andrew Mayne, creator of Bisection and author of Touching Sky presents a brand new shocking magic effect. The magician places his arm into a "magic" cast that prevents him from being harmed. He then pulls out the wickedest looking drill ever seen. Next, he proceeds to drill a hole straight through his arm! (blood is optional)

The effect can be built in under a half an hour using $10 worth of materials and a $20 cordless drill.

Also check out Facelifter and Shock FX!

Booklet includes complete instructions!