18Ga, 2 1/8", red and greyhttp://www.nailgundepot.com/senco-sls18mg-18-gauge-finish-stapler-wcase-12-to-158-details.html?gclid=EAIaIQobChMIxYrw9_-F2AIVVbjACh3mOgeGEAQYASABEgLYhPD_BwE
North Portland Tool Library
https://NPTL.myturn.com/library/
2209 N Schofield St Portland, OR, 97217 USA
503-823-0209