Bostitch® BT1309B Galvanized Brad, 1", 18-Gauge, 3000-Pack BF15 Back plate is 4-1/2 inches

Back plate is 4-1/2 inches in diameter

Round edge stainless steel ferrule

Fits bostitch #N63CP

Roof mounted power attic ventilator with adjustable thermostat from 60 to 120 degrees & adjustable humidistat from 20% to 90%

Includes nut

Bostitch® BT1309B Galvanized Brad, 1", 18-Gauge, 3000-Pack BF15 Back plate is 4-1/2 inchesFits most 18 gauge brad nailers, Fits Bostitch tools : #SB 1842BN, #SB 2IN1, #SB 1850BN, #BT35B, #BT125K 2 and #BT200K 2. Gauge: 18 Length: 1" Finish: Coated Point Style: Chisel Quantity per item pack: 3,000 Fits Bostitch Tools: SB 1842BN SB 2IN1 SB 1850BN BT35B BT200K 2 BT125K 2 Fits Competitor Tools: Fits most 18 gauge Brad nailers. WARNING: Cancer and Reproductive Harm www. P65Warnings. ca. gov