Square corner spring hinges. Packed 3 pieces per inner and 48 pieces per master. Each inner packed with 24 #12 x 1 1/4" fly cut screws and 24 #12 x 5 1/2" machine screws. Commercial Gauge 0.134. 

Dimensions: 4-1/2" x 4-1/2" SQ

SATIN CHROME