Chin rest paper dimensions: 130 x 40 mm punched, pin distance: 93 mm pack of 1000 sheets for Haag-Streit instruments, Topcon instruments, Shin-Nippon SL-202, QR-007, NRK-8000, NR-1000/5500, Nidek SL-1600, AR-800, AR-1200, ARK-2000 etc.