Material: Brass, stainless steel
Fastener:6 ea. #8 x 3/4" FH combo screws, 2 ea. #8 - 32 x 1/2" FH MS, 3 ea. #10 x 1" FH WS NOTE: No plastic anchor required for top only.
Size: 1" x 81/2"
Features:• For Wood Doors labeled B, C, D & E up to 4'w x 8''h
• Non-handed
• Fully automatic—opening active door retracts top and bottom bolts
• Override feature prevents damage to doors or bolts if bolt heads are blocked from entering strikes
• Bolt head rods are adjustable up to 1/2"
• Thermal lock automatically locks the inactive door under high heat conditions due to fire