The TH900I utilizes our Uni-Lock tilter with infinite 180 degree range of movement. Uni-Lock Tilter 7/8 dia Post 13 x3 for Vision Lifetime Warranty UPC 633816369025 ASIN B001JNNM0M Color Silver Material Metal Brand Name Pearl Model Name TH900I Finish Type Glossy Item Weight 2.59 Pounds Part Number TH900I Manufacturer Pearl Corporation Model Number TH900I Body Material Maple Wood Item Dimensions 21.15 x 5.65 x 2.7 inches Warranty Description Lifetime warranty (see pearldrum. Com for details). Global Trade Identification Number 00633816369025