{"product_id":"gmp104-extended-l-bar-mini-prism-with-25-4-mm-copper-coated-reflector-for-tunnel-railway-monitoring","title":"GMP104 Extended L-Bar Mini Prism with 25.4 mm Copper-Coated Reflector for Tunnel \u0026 Railway Monitoring","description":"\u003cp\u003eThe GMP104 Extended L-Bar Mini Prism is a compact surveying reflector designed for dependable target visibility and field durability in deformation-monitoring work.\u003c\/p\u003e\n\u003cp\u003eThe compact, lightweight \u003ca href=\"https:\/\/store.mountlaser.com\/collections\/mini-l-bar-90-degree-mini-prism\" target=\"_blank\"\u003e\u003cstrong\u003eGMP104 Extended L-Bar Mini Prism\u003c\/strong\u003e\u003c\/a\u003e is suitable for fixed or repeat monitoring locations in subway tunnels, railroads, tunnels, dams, and steep-slope projects. Its L-bar configuration supports practical positioning where a stable reflective target is required.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0596\/9035\/2818\/files\/11_GMP104_Extended_L-Bar_Mini_Prism.jpg?v=1787723188\" alt=\"GMP104 Extended L-Bar Mini Prism\"\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGMP104 Extended L-Bar Mini Prism Key Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAccurate optical targeting: The \u003ca href=\"https:\/\/store.mountlaser.com\/collections\/mini-l-bar-90-degree-mini-prism\" target=\"_blank\"\u003e\u003cstrong\u003eGMP104 Extended L-Bar Mini Prism\u003c\/strong\u003e\u003c\/a\u003e uses a precision optical-glass 25.4 mm copper-coated prism to provide a clear reflective target for reliable measurement work.\u003c\/p\u003e\n\u003cp\u003eExtended L-shaped holder: The GMP104 Extended L-Bar Mini Prism incorporates an extended L-bar holder that supports practical target placement in confined or infrastructure-monitoring locations.\u003c\/p\u003e\n\u003cp\u003eDurable metal body: The main body of the GMP104 Extended L-Bar Mini Prism is crafted from high-quality CNC-machined anodized aluminum for strong corrosion resistance and dependable field durability.\u003c\/p\u003e\n\u003cp\u003eAbrasion and drop protection: The GMP104 Extended L-Bar Mini Prism is fitted with a protective ABS outer cover to help reduce abrasion-related wear and improve protection against incidental drops.\u003c\/p\u003e\n\u003cp\u003eEnhanced reflectivity: A reflective film helps the GMP104 Extended L-Bar Mini Prism deliver a clear, bright reflection for surveying and monitoring tasks.\u003c\/p\u003e\n\u003cp\u003ePortable field design: The compact and lightweight GMP104 Extended L-Bar Mini Prism is easy to carry, transport, and deploy across multiple job sites.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGMP104 Extended L-Bar Mini Prism Specification\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"608\" height=\"180\" style=\"border-collapse: collapse; width: 456.02pt;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol width=\"265\" style=\"width: 198.75pt;\"\u003e \u003ccol width=\"343\" style=\"width: 257.25pt;\"\u003e \u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" width=\"265\" style=\"height: 13.50pt; width: 198.75pt;\"\u003eParameter\u003c\/td\u003e\n\u003ctd width=\"343\" style=\"width: 257.25pt;\"\u003eSpecification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGMP104\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003eProduct name\u003c\/td\u003e\n\u003ctd\u003eGMP104 Extended L-Bar Mini Prism\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eExtended L-bar surveying mini prism \/ reflector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003eHolder configuration\u003c\/td\u003e\n\u003ctd\u003eL-shaped extended bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003ePrism diameter\u003c\/td\u003e\n\u003ctd\u003e25.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003ePrism material\u003c\/td\u003e\n\u003ctd\u003eOptical glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003ePrism finish\u003c\/td\u003e\n\u003ctd\u003eCopper-coated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003eReflective enhancement\u003c\/td\u003e\n\u003ctd\u003eReflective film\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr height=\"18\" style=\"height: 13.50pt;\"\u003e\n\u003ctd height=\"18\" style=\"height: 13.50pt;\"\u003eMain body material\u003c\/td\u003e\n\u003ctd\u003eCNC-machined anodized aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Mountlaser","offers":[{"title":"Default Title","offer_id":47953851285682,"sku":null,"price":39.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/9035\/2818\/files\/11_GMP104_Extended_L-Bar_Mini_Prism.jpg?v=1787723188","url":"https:\/\/store.mountlaser.com\/products\/gmp104-extended-l-bar-mini-prism-with-25-4-mm-copper-coated-reflector-for-tunnel-railway-monitoring","provider":"Mountlaser","version":"1.0","type":"link"}