Emivery 2Pcs 25mm Standard Barbell Spin-Lock Collars Screw Clamps Dumbell Weight Lifting for Weight Training Fitness Exercise

The customer reception of this product has been overwhelmingly negative, highlighting significant issues with quality and functionality. Many users have reported that the openings of the locks were poorly machined, leading to oval shapes rather than the expected round cuts. This fundamental design flaw, coupled with improperly finished threads, rendered these locks virtually unusable across multiple brands of dumbbell handles. A Considerable number of customers expressed frustration over their experiences, noting that none of the locks they purchased were compatible with standard 1-inch bars, which is a basic requirement for such a product. Furthermore, customers raised concerns about the seller's return policy, which promises a mere 50% refund on returns, making it virtually unfeasible for buyers to recoup losses on these defective items. The lengthy shipping time only adds to the disappointment, as many felt they wasted their money waiting on a product that ultimately did not deliver as promised. Overall, Consumers strongly advise against purchasing these locks due to their poor manufacturing quality and lack of compatibility with established standards. **