Dell/Chief Genuine C3504 Universal Projector Ceiling Mount Kit, Compatible With The Following Projectors: 1100MP, 1209S, 1409X, 1609WX, 1800MP, 2100MP, 2200MP, 3200MP, 3300MP, 4100MP, 7609WU Compatible Projectors: 1100MP Projector , 1209S Projector , 1409X Projector , 1609WX Projector , 1800MP Projector , 2100MP Projector , 2200MP Projector , 3200MP Projector , 3300MP Projector , 4100MP Projector , 7609WU Projector 1 Ceiling Column, 1 1" NPT Column, 1 Universal Projector Mount, 1 Project Interface Plate, 1 Installation Manual, 1 1/4-20 x 1-1/2" Security Bolt 1 1/4-20" Locking Nut, 4 Thumb Nuts, 3 M3 x 16mm Flat Heat Screws, 3 Nylon Spacers Black, 1 3/16" Security Hex Key 1 5/32" Security Hex Key, 1 3/32" Security Hex Key, 3 M3 x 16MM Security Flat Head Screws, 1 5/16- 18 x 1/2" Security Set Screw 2 #10-24 x1/4" Security Flat Head Screws, 4 Cable Ties, Cable Wrap, 3 Nylon Spacers (White), 3 M3 x 12mm Phillips Pan Head Screws, 3 Nylon Spacers (White), 3 Nylon Spacers (White)