™ ® ANINDEPENDENT LABORATORY TESTINGFOR PUBLICSAFETY ® Power Pro..... Semi-automatic Model 496 POWDER ACTUATED TOOL MANUFACTURERS. INSTITUTE INC. ™ ® ANINDEPENDENT LABORATORY TESTINGFOR PUBLICSAFETY ® Power Pro..... Semi-automatic Model 496 Operating Instructions Important: Read this manual and all labels carefully before operating your powder actuated tool. This manual should always accompany the tool and be transferred with it upon change of ownership. INDEX Warning: Safety Precautions........