Adjustable 26 Inch Figure 4 Pool Grab Rails - 1.90 x .065 Inches - Pair state_Wisconsin It has a single notch

It has a single notch collar and is covered with a white adapter

374000027S

K-1771 tests for Chloride in Salt Water pools using drop test and Argentometric reagent

They are translucent for visible content level

This is a Taylor Calcium Indicator #11 replacement reagent for various Taylor pool water testing kits

Adjustable 26 Inch Figure 4 Pool Grab Rails - 1.90 x .065 Inches - Pair state_Wisconsin It has a single notchThis pair of adjustable Figure 4 pool grab rails have front legs that are adjustable in field so they can be set atop curbs or into gutters. The wall thickness is . 065 inches. The distance between the front (pool) rail and back (anchor) rail is 26 inches and the overall outside diameter of the rail tubing is 1. 90 inches. Grab rails provide a hand grip for built in steps or in wall pool ladders and are used to keep racing lanes free of obstructions