https://rwo-marine.com/store/blocks/38mm-ball-bearing-block-range/r5327-38macro-single-standup-pk-size-1/
R5327 - 38Macro Single & Standup (Pk Size: 1) - RWO Marine
Oct 28, 2020 - Series 38 stainless steel ball bearing single with stand up spring block, maximium line size 10mm, maximium working load 230kgs
singlestanduppksizerwo