![METALTECH M-MLC1S Coupling Pin and Spring Lock, Steel, Galvanized [SKU: ORG1636174]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/600x600/products/64160/62077/1636174__34000.1683121087.jpg?c=1 "METALTECH M-MLC1S Coupling Pin and Spring Lock, Steel, Galvanized [SKU: ORG1636174]")
![METALTECH M-MLC1S Coupling Pin and Spring Lock, Steel, Galvanized [SKU: ORG1636174]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/1280x1280/products/64160/62077/1636174__34000.1683121087.jpg?c=1 "METALTECH M-MLC1S Coupling Pin and Spring Lock, Steel, Galvanized [SKU: ORG1636174]")
Product Overview
Replacement coupling pin with 1 in. collar includes locking spring. Rugged steel construction ensures lasting durability. Use with standard or arched scaffold frames. Serves as connector when stacking mason and arch scaffold frames. Tapered end allows for easy stacking. Weather resistant for lasting use. This pin is acceptable for both 1.69 in. and 1-5/8 in. tube OD frames. Meets OSHA standards for safety. [QTY/UOM: 1EA / 1EA] [PMS SKU: ] [Category: LADDERS/Ladders, Platforms & Scaffoldings Accessories;Shop All]
![METALTECH M-MLS Spring Lock, Steel, Galvanized, For: Hole of Diameter 1/2 in [SKU: ORG1636216]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/64159/62076/1636216__55796.1683121087.jpg?c=1 "METALTECH M-MLS Spring Lock, Steel, Galvanized, For: Hole of Diameter 1/2 in [SKU: ORG1636216]")
![METALTECH M-MLG Pigtail, Steel, Galvanized [SKU: ORG1636190]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/64174/62091/1636190__79582.1683121093.jpg?c=1 "METALTECH M-MLG Pigtail, Steel, Galvanized [SKU: ORG1636190]")
![METALTECH M-MGR10 Guard Rail, Steel, Galvanized [SKU: ORG1636646]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/64172/62089/1636646__84965.1683121092.jpg?c=1 "METALTECH M-MGR10 Guard Rail, Steel, Galvanized [SKU: ORG1636646]")
![METALTECH M-MBSJP24H Leveling Jack, Steel, Galvanized [SKU: ORG1636158]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/64167/62084/1636158__65475.1683121090.jpg?c=1 "METALTECH M-MBSJP24H Leveling Jack, Steel, Galvanized [SKU: ORG1636158]")
![METALTECH M-MC2484 Cross Brace, Steel, Galvanized [SKU: ORG1636687]](https://cdn11.bigcommerce.com/s-er447ou6zb/images/stencil/500x659/products/64156/62073/1636687__07506.1683121085.jpg?c=1 "METALTECH M-MC2484 Cross Brace, Steel, Galvanized [SKU: ORG1636687]")