Eyelet Eyepin Screw - 36 *4 mm T304 (A2) Stainless Steel Normally used for sewing, jewellery making, art and craft Great for Roman Blinds Dimensions: Over All Length: 36 mm Thread: 15 mm LN (Nominal length including the sweep): 4 * 60 A: 4 mm B: 8 mm C: 20 mm