Pair of Extra Large Size heavy duty stainless steel Universal Spring Straps. Featuring a completely integral design ensuring quick & easy fitting with no strap adjustments or additional buckles providing a perfect fit when installed. Fits most standard strap fins & are an efficient, easy & simple upgrade to improve comfort & reduce the risk of losing your fins. Measure approximately 33.5 cms between the attachment lug centres. SIZES: XS, S, M, L & XL.