Allen 20mm and 30mm Single Linked Blocks Coats • Large zip opening at

•    Large zip opening at front for instant venting

Four sizes of clamp are available

Easy to inflate/deflate

- GBS (Glued & Blind Stitched)

Allen 20mm and 30mm Single Linked Blocks Coats • Large zip opening at20mm & 30mm single linked blocks. With the Allen dynamic ball bearing technology at the heart of this block, the line friendly soft contours allowing articulation and stainless steel cheeks, the 20mm & 30mm dynamic block will easily handle maximum loads and give unrivalled performance. Line friendly soft contours and articulation stainless steel cheeks and inner bearing systems handle maximum loads central hole for tie on becket.