DEL​RIN, WHICH IS A TYPE OF ACETAL RESIN. DELRIN IS KNOWN FOR ITS DURABILITY, STRENGTH, AND RESISTANCE TO WEAR AND TEAR. GUITAR PICKS MADE FROM DELRIN ARE FAVORED BY SOME GUITARISTS BECAUSE THEY PROVIDE A SMOOTH SURFACE, ALLOWING FOR PRECISE PICKING AND A CONSISTENT TONE. THEY CAN OFFER A DIFFERENT FEEL AND SOUND COMPARED TO PICKS MADE FROM OTHER MATERIALS LIKE NYLON, CELLULOID, OR METAL, CATERING TO INDIVIDUAL PREFERENCES IN PLAYING STYLE AND SOUND.