SMC Large Locking D Steel Carabiner NFPASMC's Large Steel Locking D was developed especially for the needs of the fire and rescue communities with a large gate opening that easily fits over litter rails. NFPA Version. Color - Brite.
SMC Lite Steel Zinc Plated Carabiner NFPA The SMC-Lite Alloy Steel Locking Carabiner are for those situations where high strength and durability are desired, but size and weight are a consideration. Color - Brite.