Overview Reviews Product Description For additional secure fixing of your Spirafix Ground Anchor and to be used in conjunction with the SA892 locking hub for 50mm anchors. Product Videos Custom Field Product Reviews (No reviews yet) Write a Review Write a Review × Spirafix SA893 - Locking pin for 50mm anchors Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *