PBC Linear MR15R 0470 Linear Guide Rail, Size 15, 470 mm Length, 15 mm Width, Aluminum 3446A25 Pumped rinse Pumped rinse 400 lb Line Material Galvanized Steel Visual Load Indicator No Color Silver Includes Mounting Hardware Yes Ladder Lifeline Component Cable Lifeline System Workers per System 2 Ladder Lifeline Style Fixed Ladder Lifeline Material Steel Required Accessories Cable Sleeve Pass Through Type Automatic Cable Sleeve Type Trailing Includes Extension Post Yes Detaches from Lifeline Anywhere Rail Material Aluminum Range (F) 0 248 Channel Material Steel Screw Type Low Profile Socket Head Cap Number of Rail Holes 12 Mounting Hole from Shaft End 15 mm Mounting Hole Center to Center 40 mm Mounting Hole Center to Shaft End 20 mm Mounting Hole Size 3