16mm Auto 4 Roller Top Extension, Rollers @ 15.75 & 31.50", 41.14 Length

Ext. Length 41.14 (1045mm) 
Handle to Top of Door 42.76 (1086mm); 
1st Roller Position 15.75 (400mm), 
2nd Roller Position 31.50 (800mm) 
Maximum Cutoff 8.07 inches (205mm) 
Number of Screws 7