IS Series magnetic catches from BuyMagnets.com feature an overall cylindrical design with a round front surface. This powerful magnetic catch is encased in a plastic sleeve with a ribbed body. This ribbed plastic sleeve ensures that this magnetic catch will hold tightly in the position it is installed in, with a flange ensuring accurate positioning. The IS Series recessed magnetic catch is easily installed into pre-drilled holes, such as those in wooden furniture, by simply placing the catch into the hole and gently tapping with a mallet until the catch is held securely within the wood.