Linear Guide Carriage Assembly Series PRT Series Fixed-Center Carriage Carriage Height 16.1 mm Carriage Width 40 mm Carriage Length 55 mm Carriage Material Aluminum Roller Material Steel Agency Compliance - Carriage Finish Clear Anodized Carriage Mounting Hole Size M4 x 0.7 Carriage Type Fixed Center Carriage Dimension B - Dimension B1 - Dimension B2 - Dimension F - Dimension F1 - Dimension F2 - Dimension F3 - Dimension G - Dimension G1 - Dimension G2 - Dimension J -